// JavaScript Document

var op=0;

function updateSize()
	{
	if(document.getElementById("contentHTML").clientWidth==0)
		{
		document.getElementById("backgroundOpacity").style.width=document.getElementById("container").clientWidth+"px";
		document.getElementById("backgroundOpacity").style.height=document.getElementById("container").clientHeight+"px";
		document.getElementById("bigImage").style.width=document.getElementById("container").clientWidth+"px";
		document.getElementById("bigImage").style.height=document.getElementById("container").clientHeight+"px";
		}
	else
		{
		document.getElementById("backgroundOpacity").style.width=document.getElementById("contentHTML").clientWidth+"px";
		document.getElementById("backgroundOpacity").style.height=document.getElementById("contentHTML").clientHeight+"px";
		document.getElementById("bigImage").style.width=document.getElementById("contentHTML").clientWidth+"px";
		document.getElementById("bigImage").style.height=document.getElementById("contentHTML").clientHeight+"px";
		}
	}

function showImage(imgSrc,titleText)
	{
	document.getElementById("backgroundOpacity").style.display='inline';
	document.getElementById("imgSrc").src=imgSrc;
	document.getElementById("imgTitle").innerHTML=titleText;
	updateSize();
	changeOpacityUp();
	}

function changeOpacityUp()
	{
	if(op<0.9)
		{
		document.getElementById("backgroundOpacity").style.opacity=op;
		opIE=op*100;
		document.getElementById("backgroundOpacity").style.filter="alpha(opacity="+opIE+")";
		op=op+0.1;
		setTimeout("changeOpacityUp()",1);
		}
	else
		{
		document.getElementById("bigImage").style.display='inline';
		}
	document.getElementById("imgTitle").style.width=document.getElementById("imgSrc").width+'px';
	if(document.documentElement.scrollTop==0)
		{
		document.getElementById("bigImageTable").style.marginTop=document.body.scrollTop+100+'px';
		}
	else
		{
		document.getElementById("bigImageTable").style.marginTop=document.documentElement.scrollTop+100+'px';
		}
	}

function hideImage()
	{
	document.getElementById("bigImage").style.display='none';
	document.getElementById("imgSrc").src="i/loading.gif";
	op=0.8;
	ChangeOpacityDown();
	}

function ChangeOpacityDown()
	{
	if(op>0)
		{
		document.getElementById("backgroundOpacity").style.opacity=op;
		opIE=op*100;
		document.getElementById("backgroundOpacity").style.filter="alpha(opacity="+opIE+")";
		op=op-0.1;
		setTimeout("ChangeOpacityDown()",1);
		}
	else
		{
		document.getElementById("backgroundOpacity").style.display='none';
		op=0;
		}
	}