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 updateFooterImage() {
	if (!document.getElementById) return;
	
	//find out the position of the footer photo image so that we can place the corner image next to it.
	var photoImg = document.getElementById('footerPhoto');
	var photoPos = getAbsolutePos(photoImg);
	
	var div              = document.getElementById('photoCornerDiv');
	div.style.display    = 'block';
	//div.style.left       = (photoPos.x -135) + 'px';
	div.style.top        = (photoPos.y -53) + 'px';
	
	var div              = document.getElementById('rightFloat1_3');
	div.style.top        = (photoPos.y -53) + 'px';
	
	var div              = document.getElementById('rightFloat2_3');
	div.style.top        = (photoPos.y -53) + 'px';
	
	var div              = document.getElementById('rightFloat1_2');
	div.style.height     = (photoPos.y -150) + 'px';
	
	var div              = document.getElementById('rightFloat2_2');
	div.style.height     = (photoPos.y -150) + 'px';
	
	try {
		var test1 = document.body.scrollHeight;
		var test2 = document.body.offsetHeight
		if (test1 > test2) { // all but Explorer Mac
			y = document.body.scrollHeight;
		} else {
			// Explorer Mac; would also work in Explorer 6 Strict, Mozilla and Safari
			y = document.body.offsetHeight;
		}
		if ((y - 100) < document.body.clientHeight) {
			var myTd = document.getElementById('topLinkTd');
			//td.innerHTML = '<p align="right"><a href="#top"><img src="/img/arrowDotGrayUp.gif" align="absmiddle" border="0"> Up</a>&nbsp;&nbsp;&nbsp;&nbsp;</p><br><br>';
			myTd.innerHTML = '&nbsp;';
		}
	} catch (e) {
	}
}

function updateLayers() {
	if (document.getElementById) {
		var t = document.getElementById('rightFloat1_1');
		if (t != null) t.style.display = 'block';
		var t = document.getElementById('rightFloat1_2');
		if (t != null) t.style.display = 'block';
		var t = document.getElementById('rightFloat1_3');
		if (t != null) t.style.display = 'block';
		var t = document.getElementById('rightFloat2_1');
		if (t != null) t.style.display = 'block';
		var t = document.getElementById('rightFloat2_2');
		if (t != null) t.style.display = 'block';
		var t = document.getElementById('rightFloat2_3');
		if (t != null) t.style.display = 'block';
		
		//only show this gif if the browser is wide enough.
		if (document.body && document.body.clientWidth && (document.body.clientWidth >= 900)) {
			var t = document.getElementById('rightFloatFadingArea');
			if (t != null) t.style.display = 'block';
		}
		
		//show a the navigation line images if needed. only for cd-rom and catalogue.
		if (window.location.href.indexOf('/cd_rom/') != -1) {
			var t = document.getElementById('navLineImage1');
			if (t != null) t.style.display = 'block';
		} else if (window.location.href.indexOf('/catalogue/') != -1) {
			var t = document.getElementById('navLineImage2');
			if (t != null) t.style.display = 'block';
		}
		
		
	}
}


function showImage(imgSrc, imgWidth, imgHeight, descText) {
	if (descText != '') imgHeight += 100;
	var w=window.open('/popup.php?imgUrl='+imgSrc+'&descText='+descText, 'photo', 'toolbar=no,scrollbars=no,resizable=yes,width='+imgWidth+',height='+imgHeight+'');
	//w.document.getElementById('').src = imgSrc;
	//w.document.getElementById('').innerHTML = descText;
   w.focus();
	 return false;
}