window.onerror=fnErrorTrap;
function fnErrorTrap(sMsg,sUrl,sLine){
   msg="<b>An error was thrown and caught.</b><p>";
   msg+="Error: " + sMsg + "<br>";
   msg+="Line: " + sLine + "<br>";
   msg+="URL: " + sUrl + "<br>";
	alert(msg);
   return false;
}
	//alert("***");