window.onload = function(){
  $id('UserName').focus();this.moveTo(0,-5);this.resizeTo(1024,768);
}
document.onkeydown=function(){    
    if(event.keyCode=='13'){
	   Login();return false;
	}
}
function Login(){
  var UserName = $id('UserName').value;
  var UserPwd = $id('UserPwd').value;
if(IsNull(UserName)||UserPwd==''){
    $id('UserName').focus();return;
 }
 showmsg('msg','smallLoading','正在验证,请稍候...');
 var Url = "ajax.asp?UserName="+UserName+"&UserPwd="+UserPwd+"&Action=Login";
 ajax.response(xml,Url,Logined);
}
function Logined(){
   var html=ajax.request(xml);
	   if(html.indexOf("成功")!=-1){
	      top.location = 'index.htm';return;
	    }else{
		  showmsg('msg','Error',html);
		}
}