// JavaScript Document

/** popup **/
function glossary_nopic(thislink) {
    var glosswin = window.open(thislink.href, 'glossary_nopic', 'width=332,height=201,toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1'); 
	glosswin.focus();
	return false;
}

function glossary_pic(thislink) {
    var glosswin = window.open(thislink.href, 'glossary_pic', 'width=332,height=232,toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1'); 
	glosswin.focus();
	return false;
}

function show_transcript(thislink) {
    var showtran = window.open(thislink.href, 'show_transcript', 'width=455,height=482,toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1'); 
	showtran.focus();
	return false;
}


function enlarge_picture(thislink) {
    var bigpicwin = window.open(thislink.href, 'enlarge_picture', 'width=477,height=360,toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1');
	bigpicwin.focus();
	return false;
}

function sidebar(thislink) {
    window.open(thislink.href, 'horiz', 'width=477,height=360,toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1'); return false;
}

function show(whichDiv, thishref)
{
	if (document.getElementById)
	{
	    document.getElementById(thishref).style.textDecoration = "none";
/*	    thishref.innerHTML = "Show Video";
	    thishref.onclick = function() 
            {
                return hide(whichDiv, this);
            }	
*/
		show_div(whichDiv);
	}
	
	return false;
}



function hide(whichDiv, thishref)
{
	if (document.getElementById)
	{
	    thishref.innerHTML = "Show Video";
	    thishref.onclick = function() 
            {
                return show(whichDiv, this);
            }
	    hide_div(whichDiv);
	}
	
	return false;
}

function show_div(whichDiv)
{
	if (document.getElementById)
	{
	    document.getElementById(whichDiv).style.display = 'block';
	}
	
	return false;
}

function hide_div(whichDiv)
{
	if (document.getElementById)
	{
	    document.getElementById(whichDiv).style.display = 'none';
	}
	
	return false;
}





/** note this puts roll over on image, not href 
function initRollovers() 
{
    //if we don't support getElementById then exit
	if (!document.getElementById) return
	
	//yes it even does preload
	var aPreLoad = new Array();
	var aImages  = new Array();
	var sTempSrc;
	
	//grab all nav images
	//if(document.getElementById("dl-c-container")) {
	//var aImages = document.getElementById("dl-c-container").getElementsByTagName("img");
	//}

    //nb if you want all images on page  you do this instead (i only wanted nav)
    var aImages = document.getElementsByTagName("img");

    
    //loop over images
	for (var i = 0; i < aImages.length; i++) 
	{	
	
	    //we use class name to find image	
		if (aImages[i].className.match('family-roll')) 
		{
		    //grab src
			var src = aImages[i].getAttribute('src');
			
			//grab extension (neato works for gif and jpg nd png if you so feel)
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			
			//create a new attribute for rollover (for fyi = '-over')			
			var hsrc = src.replace("_off"+ftype, '_over'+ftype);
			aImages[i].setAttribute('hsrc', hsrc);
			
			//PRELOAD !!
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			//on mouseover grab hsrc
			aImages[i].onmouseover = function() 
			{
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			//on mouse out strip out "on"
			aImages[i].onmouseout = function() 
			{
			    //alert(sTempSrc);
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_over'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}
**/


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_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_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];}
}