function open_saf(location){
	var width=484;
	var height=420;
	var left=(screen.width-width)/2;
	var top=(screen.height-height)/2;
	window.open("saf.php?url="+location,'saf', "modal,toolbar=false,location=false,directories=false,status=false,menubar=false,scrollbars=no,resizable=no,left="+left+",top="+top+",width="+width+",height="+height);
}