var zufall = Math.round((Math.random() * 1000000));

	function zoom(str_url, int_width, int_height, scrollbars) {
	  try{
	    var str_windowName = "big";
	    if(eval("window." + str_windowName + ".document")) {
				big.close();
	    }
	    big = window.open(str_url, "zoomInto" + zufall, "width=" + int_width + ",height=" + int_height + ",resizable=yes,menubar=no,status=no,locationbar=no,dependent=yes,scrollbars=" + scrollbars);
			big.focus();
	  }
	  catch(e) {
			big = window.open(str_url, "zoomInto" + zufall, "width=" + int_width + ",height=" + int_height + ",resizable=yes,menubar=no,status=no,locationbar=no,dependent=yes,scrollbars=" + scrollbars);
			if (big != null)
				big.focus();
	  }
	}