var oldUrl = false;	

function IE5opener(url,w,h){
	w = w+6; h = h+25;
var ver =navigator.appVersion;
ver = ver.substring(ver.indexOf("MSIE")+5, ver.length);
ver = parseFloat(ver.substring(0, ver.indexOf(";")));
if(ver >=5){
	if((url != oldUrl)||(WinObj.closed)){
	WinObj = showModelessDialog(url, window, "help: no; status: no; scroll: yes; dialogWidth:"+w+"px; dialogHeight:"+h+"px; margin: 0");
		oldUrl = url;
		}else{
		if(!WinObj.closed){WinObj.focus();}
		}
	}else{
	OtherOpener(url,w,h);
	}
}

function OtherOpener(url,w,h){
	w = w+18; h = h +26;
	d = new Date(); t = d.getTime();
	WinObj = window.open(url, t ,"width="+w+",height="+h);
}

function PopUp(url,w,h){
if( document.all ){
	IE5opener(url,w,h);
		}else{
		if(document.images){	OtherOpener(url,w,h);	}
		}
return false;
}