var demoWindow;

function handleTab(action, index)
{
	var img = document.getElementById("imgTab" + index);
	if(img == undefined) return;

	var src = new String(img.src);
	if(index != activeTabIndex)
	{
		if(action == "click")
		{
			img.src = "img/tab" + index + "CLK.gif"
			img = document.getElementById("imgTab" + activeTabIndex);
			if(img != undefined)
			{
				src = new String(img.src);
				img.src = "img/tab" + activeTabIndex + "OUT.gif"
			}
			activeTabIndex = index;
			
			if(index==0)
			{
				var URL = "model.asp?model=" + index +"&publicationID="+pubID_0;
			}
			else	
			{
				if(index==2)
				{
					var URL = "model.asp?model=" + index +"&publicationID="+pubID_4;
				}
				else
				{
					var URL = "model.asp?model=" + index;
				}
			}
			window.location = URL;
		}
		else if(action == "over")
		{
				img.src = "img/tab" + index + "OVR.gif"
		}
		else if(action == "out")
		{
			img.src = "img/tab" + index + "OUT.gif"
		}
	}
}