<!-- Begin
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

ns3up = (browserName == "Netscape" && browserVer >= 3);
ie4up = (browserName.indexOf("Microsoft") >= 0 && browserVer >= 4);

function doPic(imgName, linkage,desc) 
{
	if (ns3up || ie4up) 
	{
		imgOn = ("" + imgName);
		linkOn = ("" + linkage);
		descOn = ("" + desc);
		document.mainpic.src = imgOn;
		if(linkOn!="" && document.getElementById("caption_div"))
		{
			document.getElementById("caption_div").innerHTML = linkOn;
		}
		if(descOn!="" && document.getElementById("main_link"))
		{
			document.getElementById("main_link").href = 'issue.php?id='+descOn;
		}
	}
}

function doPic2(imgName, linkage) 
{
	if (ns3up || ie4up) 
	{
		imgOn = ("" + imgName);
		linkOn = ("" + linkage);
		document.mainpic2.src = imgOn;
	}
}

function doPic1(imgName, linkage) 
{
	if (ns3up || ie4up) 
	{
		imgOn = ("" + imgName);
		document.mainpic.src = imgOn;
	}
}
function doLink(x)
{
	location.href = x;
}
//  End -->