function killErrors() {
return true;
}
window.onerror = killErrors;

function clearEvents(e){
var o_temp=event.srcElement;event.returnValue=false;
if (o_temp.tagName.toLowerCase()=='textarea') {event.returnValue=true;return true;}
if (o_temp.type && (o_temp.type.toLowerCase()=='text' || o_temp.type.toLowerCase()=='password')) {event.returnValue=true;return true;}
return false;
}
function clearKeys(e){
if(event.keyCode==27 || event.keyCode==112 || (event.keyCode==78 && event.ctrlKey) || (event.keyCode==37 && event.altKey) || (event.keyCode==39 && event.altKey) ) {event.returnValue=false;return false;}
}
document.oncontextmenu=document.onselectstart=document.ondragstart=clearEvents;
document.onkeydown=clearKeys;


 var url = location.search;
 var re=/^\?(.*)(select%20|insert%20|delete%20from%20|count\(|drop%20table|update%20truncate%20|asc\(|mid\(|char\(|xp_cmdshell|exec%20master|net%20localgroup%20administrators|\"|:|net%20user|\'|%20or%20)(.*)$/gi;
 var e = re.test(url);
 if(e) {
  alert("地址中含有非法字符～");
  location.href="/default.asp";
 }