function popup(file,l,width,height)
{ /*
* Opens a popup window.
* Tested with IE6, Opera7, Mozilla5.
* (c) Björn Törnroth 2006-02-08.
*/
var strUrl = "popup.php?file=" + file + "&l=" + l;
var strWinOptions = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,location=no" +
					",width=" + width + ",height=" + height + ",top=60,left=60";
oPopup = window.open(strUrl, "", strWinOptions);
oPopup.focus();
return false; // Prevents link from working.
}