function open_detail(url)
{
	var w = Math.round((parseInt(screen.width)) * 0.8);
	var h = Math.round((parseInt(screen.height)) * 0.65);
	
	var window_params = 'width=' + w + ', height=' + h + ', top=0,left=0, resizable=yes, menubar=no, scrollbars=yes, status=no, location=no';
	//alert("http://" + server_name + "unit_search.php?action=" + type);
	
	window.open(url + "&screen_width=" + w, 'detail_window', window_params); 
	return false;	
}