browserName=navigator.appName;
browserVer=parseInt(navigator.appVersion);
ns3up=(browserName=="Netscape"&&browserVer >=3);
ie4up=(browserName.indexOf("Microsoft")>=0&&browserVer>=4);
function doPic(imgName){if (ns3up||ie4up){
values = new Array();
var pairs = imgName.split("&");
for (var i=0;i<pairs.length;i++)
{
	var pos = pairs[i].indexOf('=');
	if (pos >= 0)
	{
		var argname = pairs[i].substring(pos+1);
		values[values.length] = argname;
	}
}
leftPos = 0
topPos = 0
if (screen) {
leftPos = (screen.width-values[1]) / 2
topPos = (screen.height-values[2]) / 2
}
myWindow=window.open("large.php?"+values[0], "myWindow", "width="+values[1]+",height="+values[2]+",status=no,scrollbars=no,resizable=no,toolbar=no,menubar=no,left="+leftPos+",top="+topPos);
myWindow.focus(); 
}}