﻿/***********************************************************************
					start IE fix for flyout menu 
***********************************************************************/
startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("leftfix");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
}
node.onmouseout=function() {
this.className=this.className.replace(" over", "");
}
node.onclick=function()
{
this.className=this.className.replace(" over", "");
}
}
}
}
}
window.onload=startList;
/********************** End IE fix for flyout menu *********************/

/***********************************************************************




/***********************************************************************
								start JUMP menu 
/***********************************************************************/
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
/***************************** End JUMP menu ***************************/



/***********************************************************************
							start pop ups for image info
/***********************************************************************/
var newWin = null;
function closeWin(){
	if (newWin != null){
		if(!newWin.closed)
			newWin.close();
	}
}
function popUp(strURL,strType,strHeight,strWidth) {
closeWin();
var strOptions="";
if (strType=="console") strOptions="scrollbars=yes,resizable,height="+strHeight+",width="+strWidth;
if (strType=="fixed") strOptions="status,scrollbars=yes,resizable,height="+strHeight+",width="+strWidth;
if (strType=="elastic") strOptions="toolbar,menubar,scrollbars=yes,resizable,location,height="+strHeight+",width="+strWidth;
newWin = window.open(strURL, 'newWin', strOptions);
newWin.focus();
}
function popUpII(strURL,strType,strHeight,strWidth,winName) {
var strOptions="";
if (strType=="console") strOptions="resizable,height="+strHeight+",width="+strWidth;
if (strType=="fixed") strOptions="status,scrollbars=yes,resizable,height="+strHeight+",width="+strWidth;
if (strType=="elastic") strOptions="toolbar,menubar,scrollbars=yes,resizable,location,height="+strHeight+",width="+strWidth;
newWin = window.open(strURL, winName, strOptions);
newWin.focus();
}
/********************** End pop ups for image info *********************/



/***********************************************************************
				 start item overview control panel 
/***********************************************************************/

function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

// LIST ALL SHOW/HIDE ELEMENT IDS HERE
menus_array = new Array ('ddShowfinds', 'ddIteminfo', 'ddBibliography', 'ddCatinfo', 'ddTranslate', 'chopperinstructions');
menus_status_array = new Array ();// remembers state of switches
img_close = '../images/expandbutton-close.gif';
img_open = '../images/expandbutton-open.gif';

function showHideSwitch (theid) {
  if (document.getElementById) {
    var switch_id = document.getElementById(theid);
    var imgid = theid+'Button';
    var button_id = document.getElementById(imgid);
    if (menus_status_array[theid] != 'show') {
      button_id.setAttribute ('src', img_close);
      switch_id.className = 'showSwitch';
	  menus_status_array[theid] = 'show';
	  document.cookie = theid+'=show';
    }else{
      button_id.setAttribute ('src', img_open);
      switch_id.className = 'hideSwitch';
	  menus_status_array[theid] = 'hide';
	  document.cookie = theid+'=hide';
    }
  }
}
function resetMenu () { // read cookies and set menus to last visited state
  if (document.getElementById) {
    for (var i=0; i<menus_array.length; i++) {
      var idname = menus_array[i];
      var switch_id = document.getElementById(idname);
      var imgid = idname+'Button';
      var button_id = document.getElementById(imgid);
      if (getCookie(idname) == 'show') {
	    button_id.setAttribute ('src', img_close);
        switch_id.className = 'showSwitch';
	    menus_status_array [idname] = 'show';
	  }else{
	    button_id.setAttribute ('src', img_open);
        switch_id.className = 'hideSwitch';
	    menus_status_array [idname] = 'hide';
	  }
    }
  }
}

/******************* END item overview control panel *******************/



/***********************************************************************
				 START DYN-WEB SCROLLING LAYERS CODE
/***********************************************************************/

/* 
    dw_scroll_dx.js version date: March 2005
    contains all scrolling layers files in one 
*/

/*************************************************************************
  This code is from Dynamic Web Coding at www.dyn-web.com
  Copyright 2001-4 by Sharon Paine 
  See Terms of Use at www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

/* dw_scrollObj.js  version date: March 2005 */

dw_scrollObjs = {};
dw_scrollObj.speed = 100; // default speed for mouseover scrolling
//  constructor arguments: id of layer containing scrolling layers (clipped layer), id of layer to scroll, 
//	id of table or other element that scrolling content is nested in. 
//	ns6+/moz need that extra container to get width for horizontal scrolling.
//	(not needed for vertical scrolling)
function dw_scrollObj(wnId, lyrId, cntId) {
  this.id = wnId; dw_scrollObjs[this.id] = this;
  this.animString = "dw_scrollObjs." + this.id;
  this.load(lyrId, cntId);
}

dw_scrollObj.loadLayer = function(wnId, id, cntId) {
  if ( dw_scrollObjs[wnId] ) dw_scrollObjs[wnId].load(id, cntId);
}

dw_scrollObj.prototype.load = function(lyrId, cntId) {
  if (!document.getElementById) return;
  var wndo, lyr;
  if (this.lyrId) { // layer currently loaded?
    lyr = document.getElementById(this.lyrId);
    lyr.style.visibility = "hidden";
  }
  lyr = document.getElementById(lyrId);
  wndo = document.getElementById(this.id);
  lyr.style.top = this.y = 0; lyr.style.left = this.x = 0;
  this.maxY = (lyr.offsetHeight - wndo.offsetHeight > 0)? lyr.offsetHeight - wndo.offsetHeight: 0;
  this.wd = cntId? document.getElementById(cntId).offsetWidth: lyr.offsetWidth;
  this.maxX = (this.wd - wndo.offsetWidth > 0)? this.wd - wndo.offsetWidth: 0;
  this.lyrId = lyrId; // hold id of currently visible layer
  lyr.style.visibility = "visible";
  this.on_load(); this.ready = true;
}

dw_scrollObj.prototype.on_load = function() {}  

dw_scrollObj.prototype.shiftTo = function(lyr, x, y) {
  lyr.style.left = (this.x = x) + "px"; 
  lyr.style.top = (this.y = y) + "px";
}

// remove layers from table for ns6+/mozilla (needed for scrolling inside tables)
// recent versions of ns/moz (ns7.2 and moz 1.73) don't need it (ns 7.1 and moz 1.5 do)
dw_scrollObj.GeckoTableBugFix = function() {
    var ua = navigator.userAgent;
    if ( ua.indexOf("Gecko") > -1 && ua.indexOf("Firefox") == -1 
        && ua.indexOf("Safari") == -1 && ua.indexOf("Konqueror") == -1 ) {
        dw_scrollObj.hold = []; // holds id's of wndo and its container
        for (var i=0; arguments[i]; i++) {
            if ( dw_scrollObjs[ arguments[i] ] ) {
                var wndo = document.getElementById( arguments[i] );
                var holderId = wndo.parentNode.id;
                var holder = document.getElementById(holderId);
                document.body.appendChild( holder.removeChild(wndo) );
                wndo.style.zIndex = 1000;
                var pos = getPageOffsets(holder);
                wndo.style.left = pos.x + "px"; wndo.style.top = pos.y + "px";
                dw_scrollObj.hold[i] = [ arguments[i], holderId ];
            }
        }
        window.addEventListener("resize", dw_scrollObj.rePositionGecko, true);
    }
}

// ns6+/mozilla need to reposition layers onresize when scrolling inside tables.
dw_scrollObj.rePositionGecko = function() {
    if (dw_scrollObj.hold) {
        for (var i=0; dw_scrollObj.hold[i]; i++) {
            var wndo = document.getElementById( dw_scrollObj.hold[i][0] );
            var holder = document.getElementById( dw_scrollObj.hold[i][1] );
            var pos = getPageOffsets(holder);
            wndo.style.left = pos.x + "px"; wndo.style.top = pos.y + "px";
        }
    }
}

function getPageOffsets(el) {
    var left = el.offsetLeft;
    var top = el.offsetTop;
    if ( el.offsetParent && el.offsetParent.clientLeft || el.offsetParent.clientTop ) {
        left += el.offsetParent.clientLeft;
        top += el.offsetParent.clientTop;
    }
    while ( el = el.offsetParent ) {
        left += el.offsetLeft;
        top += el.offsetTop;
    }
    return { x:left, y:top };
}

/* dw_hoverscroll.js  version date: June 2004 */

dw_scrollObj.stopScroll = function(wnId) {
  if ( dw_scrollObjs[wnId] ) dw_scrollObjs[wnId].endScroll();
}

// increase speed onmousedown of scroll links
dw_scrollObj.doubleSpeed = function(wnId) {
  if ( dw_scrollObjs[wnId] ) dw_scrollObjs[wnId].speed *= 2;
}

dw_scrollObj.resetSpeed = function(wnId) {
  if ( dw_scrollObjs[wnId] ) dw_scrollObjs[wnId].speed /= 2;
}

// algorithms for time-based scrolling and scrolling onmouseover at any angle adapted from youngpup.net
dw_scrollObj.initScroll = function(wnId, deg, sp) {
  if ( dw_scrollObjs[wnId] ) {
    var cosine, sine;
    if (typeof deg == "string") {
      switch (deg) {
        case "up"    : deg = 90;  break;
        case "down"  : deg = 270; break;
        case "left"  : deg = 180; break;
        case "right" : deg = 0;   break;
        default: 
          alert("Direction of scroll in mouseover scroll links should be 'up', 'down', 'left', 'right' or number: 0 to 360.");
       }
    } 
    deg = deg % 360;
    if (deg % 90 == 0) {
      cosine = (deg == 0)? -1: (deg == 180)? 1: 0;
      sine = (deg == 90)? 1: (deg == 270)? -1: 0;
    } else {
      var angle = deg * Math.PI/180;
      cosine = -Math.cos(angle); sine = Math.sin(angle);
    }
    dw_scrollObjs[wnId].fx = cosine / ( Math.abs(cosine) + Math.abs(sine) );
    dw_scrollObjs[wnId].fy = sine / ( Math.abs(cosine) + Math.abs(sine) );
    dw_scrollObjs[wnId].endX = (deg == 90 || deg == 270)? dw_scrollObjs[wnId].x:
      (deg < 90 || deg > 270)? -dw_scrollObjs[wnId].maxX: 0; 
    dw_scrollObjs[wnId].endY = (deg == 0 || deg == 180)? dw_scrollObjs[wnId].y: 
      (deg < 180)? 0: -dw_scrollObjs[wnId].maxY;
    dw_scrollObjs[wnId].startScroll(sp);
  }
}

// speed (optional) to override default speed (set in dw_scrollObj.speed)
dw_scrollObj.prototype.startScroll = function(speed) {
  if (!this.ready) return; if (this.timerId) clearInterval(this.timerId);
  this.speed = speed || dw_scrollObj.speed;
  this.lyr = document.getElementById(this.lyrId);
  this.lastTime = ( new Date() ).getTime();
  this.on_scroll_start();  
  this.timerId = setInterval(this.animString + ".scroll()", 10); 
}

dw_scrollObj.prototype.scroll = function() {
  var now = ( new Date() ).getTime();
  var d = (now - this.lastTime)/1000 * this.speed;
  if (d > 0) {
    var x = this.x + this.fx * d; var y = this.y + this.fy * d;
    if (this.fx == 0 || this.fy == 0) { // for horizontal or vertical scrolling
      if ( ( this.fx == -1 && x > -this.maxX ) || ( this.fx == 1 && x < 0 ) || 
        ( this.fy == -1 && y > -this.maxY ) || ( this.fy == 1 && y < 0 ) ) {
        this.lastTime = now;
        this.shiftTo(this.lyr, x, y);
        this.on_scroll(x, y);
      } else {
        clearInterval(this.timerId); this.timerId = 0;
        this.shiftTo(this.lyr, this.endX, this.endY);
        this.on_scroll_end(this.endX, this.endY);
      }
    } else { // for scrolling at an angle (stop when reach end on one axis)
      if ( ( this.fx < 0 && x >= -this.maxX && this.fy < 0 && y >= -this.maxY ) ||
        ( this.fx > 0 && x <= 0 && this.fy > 0 && y <= 0 ) ||
        ( this.fx < 0 && x >= -this.maxX && this.fy > 0 && y <= 0 ) ||
        ( this.fx > 0 && x <= 0 && this.fy < 0 && y >= -this.maxY ) ) {
        this.lastTime = now;
        this.shiftTo(this.lyr, x, y);
        this.on_scroll(x, y);
      } else {
        clearInterval(this.timerId); this.timerId = 0;
        this.on_scroll_end(this.x, this.y);
      }
    }
  }
}

dw_scrollObj.prototype.endScroll = function() {
  if (!this.ready) return;
  if (this.timerId) clearInterval(this.timerId);
  this.timerId = 0;  this.lyr = null;
}

dw_scrollObj.prototype.on_scroll = function() {}
dw_scrollObj.prototype.on_scroll_start = function() {}
dw_scrollObj.prototype.on_scroll_end = function() {}
  
/* dw_glidescroll.js  version date: June 2004 */

dw_scrollObj.slideDur = 500; // duration of glide

// intermediary functions needed to prevent errors before page loaded 
dw_scrollObj.scrollBy = function(wnId, x, y, dur) {
  if ( dw_scrollObjs[wnId] ) dw_scrollObjs[wnId].glideBy(x, y, dur);
}

dw_scrollObj.scrollTo = function(wnId, x, y, dur) {
  if ( dw_scrollObjs[wnId] ) dw_scrollObjs[wnId].glideTo(x, y, dur);
}

// Resources for time-based slide algorithm: 
//  DHTML chaser tutorial at DHTML Lab - www.webreference.com/dhtml	
//  and cbe_slide.js from	www.cross-browser.com by Mike Foster
dw_scrollObj.prototype.glideBy = function(dx, dy, dur) {
  if ( !document.getElementById || this.sliding ) return;
  this.slideDur = dur || dw_scrollObj.slideDur;
  this.destX = this.destY = this.distX = this.distY = 0;
  this.lyr = document.getElementById(this.lyrId);
  this.startX = this.x; this.startY = this.y;
  if (dy < 0) this.distY = (this.startY + dy >= -this.maxY)? dy: -(this.startY  + this.maxY);
  else if (dy > 0) this.distY = (this.startY + dy <= 0)? dy: -this.startY;
  if (dx < 0) this.distX = (this.startX + dx >= -this.maxX)? dx: -(this.startX + this.maxX);
  else if (dx > 0) this.distX = (this.startX + dx <= 0)? dx: -this.startX;
  this.destX = this.startX + this.distX; this.destY = this.startY + this.distY;
  this.slideTo(this.destX, this.destY);
}

dw_scrollObj.prototype.glideTo = function(destX, destY, dur) {
    if ( !document.getElementById || this.sliding) return;
    this.slideDur = dur || dw_scrollObj.slideDur;
    this.lyr = document.getElementById(this.lyrId); 
    this.startX = this.x; this.startY = this.y;
    this.destX = -Math.max( Math.min(destX, this.maxX), 0);
    this.destY = -Math.max( Math.min(destY, this.maxY), 0);
    this.distY = this.destY - this.startY;
    this.distX =  this.destX - this.startX;
    this.slideTo(this.destX, this.destY);
}

dw_scrollObj.prototype.slideTo = function(destX, destY) {
    this.per = Math.PI/(2 * this.slideDur); this.sliding = true;
    this.slideStart = (new Date()).getTime();
    this.aniTimer = setInterval(this.animString + ".doSlide()",10);
    this.on_slide_start(this.startX, this.startY);
}

dw_scrollObj.prototype.doSlide = function() {
    var elapsed = (new Date()).getTime() - this.slideStart;
    if (elapsed < this.slideDur) {
        var x = this.startX + this.distX * Math.sin(this.per*elapsed);
        var y = this.startY + this.distY * Math.sin(this.per*elapsed);
        this.shiftTo(this.lyr, x, y); this.on_slide(x, y);
    } else {	// if time's up
        clearInterval(this.aniTimer); this.sliding = false;
        this.shiftTo(this.lyr, this.destX, this.destY);
        this.lyr = null; this.on_slide_end(this.destX, this.destY);
    }
}

dw_scrollObj.prototype.on_slide_start = function() {}
dw_scrollObj.prototype.on_slide = function() {}
dw_scrollObj.prototype.on_slide_end = function() {}

/*   dw_slidebar.js   version date: Feb 2004   requires dw_event.js   */

// model: Aaron Boodman's dom drag at www.youngpup.net
var dw_slidebar = {
  obj: null,
  slideDur: 500,  // duration of glide onclick of track  
  init: function (bar, track, axis, x, y) {
    x = x || 0; y = y || 0;
    bar.style.left = x + "px"; bar.style.top = y + "px";
    bar.axis = axis; track.bar = bar;
    if (axis == "h") {
      bar.trkWd = track.offsetWidth; // hold for setBarSize
      bar.maxX = bar.trkWd - bar.offsetWidth - x; 
      bar.minX = x; bar.maxY = y; bar.minY = y;
    } else {
      bar.trkHt = track.offsetHeight;
      bar.maxY = bar.trkHt - bar.offsetHeight - y; 
      bar.maxX = x; bar.minX = x; bar.minY = y;
    }
    bar.on_drag_start =  bar.on_drag =   bar.on_drag_end = 
    bar.on_slide_start = bar.on_slide =  bar.on_slide_end = function() {}
    bar.onmousedown = this.startDrag; track.onmousedown = this.startSlide;
  },
  
  startSlide: function(e) { // called onmousedown of track 
    if ( dw_slidebar.aniTimer ) clearInterval(dw_slidebar.aniTimer);
    e = e? e: window.event;
    var bar = dw_slidebar.obj = this.bar; // i.e., track's bar
    e.offX = (typeof e.layerX != "undefined")? e.layerX: e.offsetX;
    e.offY = (typeof e.layerY != "undefined")? e.layerY: e.offsetY;
    bar.startX = parseInt(bar.style.left); bar.startY = parseInt(bar.style.top);
    if (bar.axis == "v") {
      bar.destX = bar.startX;
      bar.destY = (e.offY < bar.startY)? e.offY: e.offY - bar.offsetHeight;
      bar.destY = Math.min( Math.max(bar.destY, bar.minY), bar.maxY );
    } else {
      bar.destX = (e.offX < bar.startX)? e.offX: e.offX - bar.offsetWidth;
      bar.destX = Math.min( Math.max(bar.destX, bar.minX), bar.maxX );
      bar.destY = bar.startY;
    }
    bar.distX = bar.destX - bar.startX; bar.distY = bar.destY - bar.startY;
    dw_slidebar.per = Math.PI/(2 * dw_slidebar.slideDur);
  	dw_slidebar.slideStart = (new Date()).getTime();
    bar.on_slide_start(bar.startX, bar.startY);
  	dw_slidebar.aniTimer = setInterval("dw_slidebar.doSlide()",10);
  },
  
  doSlide: function() {
    if ( !dw_slidebar.obj ) { clearInterval(dw_slidebar.aniTimer); return; }    
    var bar = dw_slidebar.obj;     
    var elapsed = (new Date()).getTime() - this.slideStart;
    if (elapsed < this.slideDur) {
      	var x = bar.startX + bar.distX * Math.sin(this.per*elapsed);
      	var y = bar.startY + bar.distY * Math.sin(this.per*elapsed);
        bar.style.left = x + "px"; bar.style.top = y + "px";
        bar.on_slide(x, y);
    } else {	// if time's up
        clearInterval(this.aniTimer);
        bar.style.left = bar.destX + "px"; bar.style.top = bar.destY + "px";
        bar.on_slide_end(bar.destX, bar.destY);
        this.obj = null;
    }
  },
  
  startDrag: function (e) { // called onmousedown of bar 
    e = dw_event.DOMit(e);
    if ( dw_slidebar.aniTimer ) clearInterval(dw_slidebar.aniTimer);
    var bar = dw_slidebar.obj = this;
    bar.downX = e.clientX; bar.downY = e.clientY;
    bar.startX = parseInt(bar.style.left);
    bar.startY = parseInt(bar.style.top);
    bar.on_drag_start(bar.startX, bar.startY);
    dw_event.add( document, "mousemove", dw_slidebar.doDrag, true );
    dw_event.add( document, "mouseup",   dw_slidebar.endDrag,  true );
    e.stopPropagation();
  },

  doDrag: function (e) {
    e = e? e: window.event;
    if (!dw_slidebar.obj) return;
    var bar = dw_slidebar.obj; 
    var nx = bar.startX + e.clientX - bar.downX;
    var ny = bar.startY + e.clientY - bar.downY;
    nx = Math.min( Math.max( bar.minX, nx ), bar.maxX);
    ny = Math.min( Math.max( bar.minY, ny ), bar.maxY);
    bar.style.left = nx + "px"; bar.style.top  = ny + "px";
    bar.on_drag(nx,ny);
    return false;  
  },
  
  endDrag: function () {
    dw_event.remove( document, "mousemove", dw_slidebar.doDrag, true );
    dw_event.remove( document, "mouseup",   dw_slidebar.endDrag,  true );
    if ( !dw_slidebar.obj ) return; // avoid errors in ie if inappropriate selections
    dw_slidebar.obj.on_drag_end( parseInt(dw_slidebar.obj.style.left), parseInt(dw_slidebar.obj.style.top) );
    dw_slidebar.obj = null;  
  }
  
}

/*  dw_scroll_aux.js    version date: May 2004  */

// Size dragBar according to layer size?  
dw_scrollObj.prototype.bSizeDragBar = true;

dw_scrollObj.prototype.setUpScrollbar = function(id, trkId, axis, offx, offy) {
  if (!document.getElementById) return;
  var bar = document.getElementById(id);
  var trk = document.getElementById(trkId);
  dw_slidebar.init(bar, trk, axis, offx, offy);
  // connect dw_slidebar with dw_scrollObj
  bar.wn = dw_scrollObjs[this.id]; // scroll area object this bar connected to
  if (axis == "v") this.vBarId = id; else this.hBarId = id;
  // also called on_load (i.e., when layer loaded), but in case h and v scrollbars, need to call here too
  if (this.bSizeDragBar) this.setBarSize();
  bar.on_drag_start = bar.on_slide_start = dw_scrollObj.getWndoLyrRef;
  bar.on_drag_end =   bar.on_slide_end =   dw_scrollObj.tossWndoLyrRef;
  bar.on_drag =       bar.on_slide =       dw_scrollObj.UpdateWndoLyrPos;
}

// for these 3 functions (assigned to bar.on_drag/slide...) "this" refers to bar
// get/discard ref to layer visible in scroll area
dw_scrollObj.getWndoLyrRef = function()  { this.wnLyr = document.getElementById(this.wn.lyrId); }
dw_scrollObj.tossWndoLyrRef = function() { this.wnLyr = null; }
// keep position of scrolling layer in synch with slide/drag of bar
dw_scrollObj.UpdateWndoLyrPos = function(x, y) {
  var nx, ny;
  if (this.axis == "v") {
    nx = this.wn.x; // floating point values for loaded layer's position held in shiftTo method
    ny = -(y - this.minY) * ( this.wn.maxY / (this.maxY - this.minY) ) || 0;
  } else {
    ny = this.wn.y;
    nx = -(x - this.minX) * ( this.wn.maxX / (this.maxX - this.minX) ) || 0;
  }
  this.wn.shiftTo(this.wnLyr, nx, ny);
}

// Keep position of dragBar in sync with position of layer onscroll
dw_scrollObj.prototype.updateScrollbar = function(x, y) {
  var nx, ny;
  if ( this.vBarId ) {
    if (!this.maxY) return;
    ny = -( y * ( (this.vbar.maxY - this.vbar.minY) / this.maxY ) - this.vbar.minY );
    ny = Math.min( Math.max(ny, this.vbar.minY), this.vbar.maxY);  
    nx = parseInt(this.vbar.style.left);
    this.vbar.style.left = nx + "px"; this.vbar.style.top = ny + "px";
  } if ( this.hBarId ) {
    if (!this.maxX) return;
    nx = -( x * ( (this.hbar.maxX - this.hbar.minX) / this.maxX ) - this.hbar.minX );
    nx = Math.min( Math.max(nx, this.hbar.minX), this.hbar.maxX);
    ny = parseInt(this.hbar.style.top);
    this.hbar.style.left = nx + "px"; this.hbar.style.top = ny + "px";
  } 
  
}

// Restore dragBar to start position when loading new layer
dw_scrollObj.prototype.restoreScrollbars = function() {
  var bar;
  if (this.vBarId) {
    bar = document.getElementById(this.vBarId);
    bar.style.left = bar.minX + "px"; bar.style.top = bar.minY + "px";
  }
  if (this.hBarId) {
    bar = document.getElementById(this.hBarId);
    bar.style.left = bar.minX + "px"; bar.style.top = bar.minY + "px";
  }
}
  
// Size dragBar in proportion to size of content in layer
// called on_load of layer if bSizeDragBar prop true
dw_scrollObj.prototype.setBarSize = function() {
  var bar;
  var lyr = document.getElementById(this.lyrId);
  var wn = document.getElementById(this.id);
  if (this.vBarId) {
    bar = document.getElementById(this.vBarId);
    bar.style.height = (lyr.offsetHeight > wn.offsetHeight)? bar.trkHt / ( lyr.offsetHeight / wn.offsetHeight ) + "px": bar.trkHt - 2*bar.minY + "px";
    bar.maxY = bar.trkHt - bar.offsetHeight - bar.minY; 
  }
  if (this.hBarId) {
    bar = document.getElementById(this.hBarId);
    bar.style.width = (this.wd > wn.offsetWidth)? bar.trkWd / ( this.wd / wn.offsetWidth ) + "px": bar.trkWd - 2*bar.minX + "px";
    bar.maxX = bar.trkWd - bar.offsetWidth - bar.minX; 
  }
}

// called from load method
dw_scrollObj.prototype.on_load = function() { 
  this.restoreScrollbars();
  if (this.bSizeDragBar) this.setBarSize();
}

dw_scrollObj.prototype.on_scroll = dw_scrollObj.prototype.on_slide = function(x,y) { this.updateScrollbar(x,y); }

// obtain and discard references to relevant dragBar
dw_scrollObj.prototype.on_scroll_start = dw_scrollObj.prototype.on_slide_start = function() {
  if ( this.vBarId ) this.vbar = document.getElementById(this.vBarId);
  if ( this.hBarId ) this.hbar = document.getElementById(this.hBarId);
}

dw_scrollObj.prototype.on_scroll_end = dw_scrollObj.prototype.on_slide_end = function(x, y) { 
  this.updateScrollbar(x,y);
  this.lyr = null; this.bar = null; 
}

/*  dw_event.js (version date Feb 2004) */

var dw_event = {
  
  add: function(obj, etype, fp, cap) {
    cap = cap || false;
    if (obj.addEventListener) obj.addEventListener(etype, fp, cap);
    else if (obj.attachEvent) obj.attachEvent("on" + etype, fp);
  }, 

  remove: function(obj, etype, fp, cap) {
    cap = cap || false;
    if (obj.removeEventListener) obj.removeEventListener(etype, fp, cap);
    else if (obj.detachEvent) obj.detachEvent("on" + etype, fp);
  }, 

  DOMit: function(e) { 
    e = e? e: window.event;
    e.tgt = e.srcElement? e.srcElement: e.target;
    
    if (!e.preventDefault) e.preventDefault = function () { return false; }
    if (!e.stopPropagation) e.stopPropagation = function () { if (window.event) window.event.cancelBubble = true; }
        
    return e;
  }
  
}

/******************* END DYN-WEB SCROLLING LAYERS CODE *****************/



/***********************************************************************
					start old javascripts from en.js
/***********************************************************************/
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function resetHiliters(theobject,noOfThumbnails) { //v1.0
		/* 	This Javascript loops through highlight indicator row and sets all images to a black image
			Then it set the image for the currently selected image column to hilight.gif		
			
			theobject = object to highlight
			noOfThumbnails = no. of thumbnails therefore no. of highlight images to turn "off" */
		
		var hiliterObject = "";
			
		var noOfThumbnails = parseInt(noOfThumbnails)+1; //convert to integer
				
		for(var loop = 1 ; loop < noOfThumbnails ; loop++) { // for the no of thumbnails set the highligher image to blank
			hiliterObject = "hiliter"+loop; // get hiliter1, hiliter2 etc
			document.images[hiliterObject].src = "/images/hilightNone.gif"; //Set to a blank image i.e. Highlight Off!
			//alert(loop);
		}

		document.images[theobject].src = "/images/hilight.gif"; // Now set highlight on for corresponding clicked Highlight Image
}

/******************** END old javascripts from en.js *******************/



/***********************************************************************
				 start show/hide search criteria
/***********************************************************************/
function toggleLayer(whichLayer)
	{
	if (document.getElementById)
		{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"block";
		}
	else if (document.all)
		{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"block";
		}
	else if (document.layers)
		{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"block";
		}
	}
/******************** start show/hide search criteria ******************/



/***********************************************************************
		 New Javascripts added by Michael Kaye September 2005 
/***********************************************************************/

	if(document.all && !document.getElementById) {
	    document.getElementById = function(id) {
	         return document.all[id];
	    }
	}

	var isW3C = (document.getElementById) ? true : false;
	var isAll = (document.all) ? true : false;

	function doLeftMenuSearch() {
		var SearchValue = document.getElementById("f_quickSearchValue").value;	
		if (SearchValue == '' || SearchValue == 'Enter search value') {
		 		alert("You must enter a value in the Search field. Please try again."); 
		 	}
		 else {
		    document.searchdb.submit();
		}
	}

	function doSubmitSearch(theSearchField) {
		var SearchValue = document.getElementById(theSearchField).value;	
		if (SearchValue == '' || SearchValue == 'Enter search value') {
		 		alert("You must enter a value in the Search field. Please try again."); 
		 		return false;
		 	}
		 else {
		    	return true;
		}
	}
	

	function enableDisablePDSearchBtn() {
		
		var isChecked = false; // posit
		
		for (var loop = 1 ; loop < 8 ; loop++) { // for the no of checkboxes in Predefined section of Advanced Search Page
			
			var isChecked = document.getElementById("pdSearchCB"+loop).checked;
			if (isChecked == true) { 
				break;
				}
		}
		
		document.getElementById("f_pdSearchSubmit").disabled = (isChecked)? false: true;
	}
	
	
	function toggleSelectOnOff(checkBoxID, selectAreaID) {
		
		var isChecked = document.getElementById(checkBoxID).checked;
		
		var selectArea = document.getElementById(selectAreaID)
		
		var count = selectArea.options.length;
		
		//for (var loop = count ; loop >= 1 ; loop--) { // loop through options
			//alert(loop);
		//	selectArea[loop-1].selected = isChecked;
		//}
		
		for (var loop = 0 ; loop < count ; loop++) { // loop through options
			selectArea[loop].selected = isChecked;
		}
	
	}
	
	
	function toggleCheckBoxOnOff(checkBoxID, selectAreaID) {
		
		var isChecked = true; // posit
		
		var selectArea = document.getElementById(selectAreaID);
		
		selectArea.focus(); // fixes a bug in IE when the loop count is returned properly

		var count = selectArea.options.length;
				
		// check if any not selected. If yes untick All checkbox
		
		for (var loop = 0 ; loop < count ; loop++) { // loop through options
			if (selectArea[loop].selected == false) {
				isChecked = false;
				break;
			}

		}
	
		document.getElementById(checkBoxID).checked = (isChecked)? true: false;
		
	}
	
	
	function enableDisableCatSubmitBtn(selectAreaID, selectAreaIIID, selectAreaIIIID) {
		
		var isSelected = false; // posit
		
		var selectArea = document.getElementById(selectAreaID);
		selectArea.focus(); // fixes a bug in IE when the loop count is returned properly
		var count = selectArea.options.length;
		
		for (var loop = 0; loop < count; loop++) {
		   if (selectArea.options[loop].selected == true) {
		      isSelected = true;
		      break;
		   }
		}		
		
		//alert(isSelected);
		// Next Blank any choices in other two list
		
		selectArea = document.getElementById(selectAreaIIID);
		
		var count = selectArea.options.length;
				
		for (var loop = 0 ; loop < count ; loop++) { // loop through options
			selectArea[loop].selected = false;
		}
		
		selectArea = document.getElementById(selectAreaIIIID);
		
		var count = selectArea.options.length;
				
		for (var loop = 0 ; loop < count ; loop++) { // loop through options
			selectArea[loop].selected = false;
		}

		document.getElementById('f_catSearch').disabled = (isSelected)? false: true;

	}
	
	
	function gotoSelectBoxTop() {
		
		// trying to override the fact that the select boxes are scrolled to the bottom
		// Just a test but can't get it working!
		
		//alert('onload');
		var selectArea = document.getElementById("f_pdSearchInstituteList")
	
		selectArea[0].selected = true;
		selectArea[0].selected = false;
		selectArea[0].selected = false;
	}

/******* END New Javascripts added by Michael Kaye September 2005 ******/



/***********************************************************************
 					Start show/hide catalogue entries 
***********************************************************************/


function showHide(entryID, htmlObj, linkType, divPrefix) {

	shortDivID = ('short' + divPrefix + (entryID));
	longCDivID = ('long' + divPrefix + (entryID));
	
	if (linkType == 'close')
	{
		document.getElementById(shortDivID).style.display = "none";
		document.getElementById(longCDivID).style.display = "block";
		htmlObj.blur();
	}
	else
	{
		document.getElementById(shortDivID).style.display = "block";
		document.getElementById(longCDivID).style.display = "none";
		htmlObj.blur();
	}

}

/******************** END show/hide catalogue entries ****************/

/***********************************************************************
 			queryString - Used to get query parameters from URL
***********************************************************************/

function queryString(parameter) { 
	var loc = location.search.substring(1, location.search.length);
	var param_value = false;
	var params = loc.split(";");
	for (i=0; i<params.length;i++) {
	  param_name = params[i].substring(0,params[i].indexOf('='));
	  if (param_name == parameter) {
		  param_value = params[i].substring(params[i].indexOf('=')+1)
	  }
	}
	if (param_value) {
	  return param_value;
	}
	else {
	  return false; //Here determine return if no parameter is found
	}
}

/**********queryString - Used to get query parameters from URL******/

/***********************************************************************
 			createStaticBookmark - Used to Create Static Bookmark
***********************************************************************/

function createStaticBookmark() {
	var url = document.getElementById('staticLink').innerHTML;
	var title = document.getElementById('title').innerHTML;
	
	if (window.sidebar)
	{
		// firefox
	    window.sidebar.addPanel(title, url, '');
	}
	else if (window.opera && window.print)
	{
		// opera
	    var elem = document.createElement('a');
	    elem.setAttribute('href', url);
	    elem.setAttribute('title', title);
	    elem.setAttribute('rel', 'sidebar');
	    elem.click();
	}
	else if (window.external)
	{
		// ie
	    window.external.AddFavorite(url, title);
	}
	else
	{
		alert('Please press Command-D to bookmark this page.');
	}	
}

