function externalLinks() { 
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank"; 
	} 
}
window.onload = externalLinks;

function show_popup(url,x,y) {
	if(!x || !y) {
		if (document.images) {
	                var rslt = new Image();
	                rslt.src = 'images/'+url;
			x=rslt.width;
			y=rslt.height;			
		}
        }
	okno = window.open('detail.php?img='+url,"","scrollbars=no,toolbar=no,directories=no,menubar=no,status=no,width=" + x + ",height=" + y + ",resizable=yes");
	okno.focus();
}