var openedwindows = new Array();
function OpW(url,target,options){
	for (i=0;i < openedwindows.length;i++){
		try{
			if (openedwindows[i].target==target){
				var hr = openedwindows[i].location.href;
				var url2 = url.replace(/\?/ig,'___');
				var hr2=hr.replace(/\?/ig,'___')
				var re = new RegExp(url2+"$","ig");
				if (!re.test(hr2.replace(/\?/ig,'___'))) {
					alert("already opened with another URL ");
				}else{
					alert("already opened with same URL");
				}
				openedwindows[i].focus();
				return openedwindows[i];
			}
		}catch(ex){
			openedwindows[i]=null;
		}
	}
	vW = window.open(url,target,options);
	vW.opener=self;
	vW.focus();
	vW.target=target;
	openedwindows.push(vW);
	return vW;
}
function launchBrowser(link){
	var url=link.href;
	window.open(url,'_blank');
}