function window_who_is_online(URL_link)
{	
	if(document.layers || document.all || navigator.userAgent.indexOf("Mozilla/5")!=-1){
		var width = 180;
		var height = 300;
		newwindow = window.open('','vindu','width='+width+',height='+height+',top=140,left=180,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=1,resizable=0');
		newwindow.document.NoLocation = URL_link;
	}
}