//window.onerror = function(){return true;}
if(window.XMLHttpRequest){
    var Ajax = new XMLHttpRequest();
  } 
  else if(window.ActiveXObject){
      var Ajax = new ActiveXObject("Microsoft.XMLHTTP");
 }
function AjaxOpen(Url,readyStateChange){
  	Ajax.open('POST',Url,true);
	Ajax.send();
	Ajax.onreadystatechange = readyStateChange;
}
function AjaxLoadData(){
	var read = Ajax.readystate;
	if(read==4||read=='complate'){
		var html = Ajax.responseText;
			return html;
	 }
   return '正在加载数据..';
}
function $id(e){
  return document.getElementById(e);
}
function $name(e){
  return document.getElementsByName(e);
}
function $tag(e){
  return document.getElementsByTagName(e); //返回集合
}
function $createElement(e){
  return document.createElement(e);
}
function IsEmail(Email){  //是否是Email
      var  pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
　　　var flag = pattern.test(Email);  
　　　return flag;
}
function IsNumeric(number){
   if(IsNull(number)) return false;
   var pattern  =  /^[0-9]*$/;
　 flag = pattern.test(number); 
   return flag;
}
function IsNull(str)  //是否是数字
{
   var num = '';
   for(var i=0;i<str.length;i++){
	     num+=' ';
	   }
	  return (str==num);
}
function SetLinkTitle(){   //链接标题
	var LinkCount = $tag('A');
	 for(i=0;i<LinkCount.length;i++){
		    LinkCount[i].title = LinkCount[i].innerHTML;
		 }
}
function ShowBg(obj){
   var Select = $tag('select');
   for(var i=0;i<Select.length;i++){
	      Select[i].style.visibility = 'hidden';
	}
   var BG = $id('BG');
   BG.style.width=document.body.offsetWidth-25;
   BG.style.height=document.body.offsetHeight+90;
   BG.style.left=0;BG.style.top=0;
   BG.className='Alpha';
   $id(obj).style.position = 'absolute';
   $id(obj).style.display = 'block';
   $id(obj).style.top = 200;
   $id(obj).style.left = 350;
   document.body.scrollTop = 0;
   window.onscroll = function(){
	   document.body.scrollTop = 0;
   }
}
function HideBg(obj){
	var Select = $tag('select');
   for(var i=0;i<Select.length;i++){
	      Select[i].style.visibility = 'visible';
	}
   var BG = $id('BG');
   BG.style.width=0;
   BG.style.height=0;
   BG.style.left=0;BG.style.top=0;
   BG.className='DisplayNone';
   $id(obj).style.display = 'none';
   $id(obj).style.top = 0;
   $id(obj).style.left = 0;
   window.onscroll = function(){
	   return true;
   }
}
function goUrl(Url){
  window.location = Url;
}
function CheckAll(){
  var UserIDs = $id('UserIDs').getElementsByTagName('input');
  for(var i=0;i<UserIDs.length;i++){
      UserIDs[i].checked = $id('chkAll').checked;
    }
}
function IsCheckAll(){
  var UserIDs = $id('UserIDs').getElementsByTagName('input');
  var e;
  for(var i=0;i<UserIDs.length;i++){
      e = UserIDs[i].checked;
	  e = (e) ? e : e;
	  if(!e) break;
    }
  $id('chkAll').checked = e;
}
function del(Url,IDs){
  if(!IDs) IDs = SelectAll();
  if(IDs=='') return;
  if(confirm('你确定删除选中的资料吗?')) goUrl(Url+'&IDs='+IDs+'&Action=del');
}
function SelectAll(){
   var UserIDs = $id('UserIDs').getElementsByTagName('input');
   var UserID = '';
   for(var i=0;i<UserIDs.length;i++){
    if(UserIDs[i].checked==true){
	    UserID += UserIDs[i].value+',';
	  }
	}
	 UserIDs = '';
	for(var i=0;i<UserID.length-1;i++){
	   UserIDs += UserID.charAt(i);
	}
  return UserIDs;	
}
function ShowUpLoadFileBox(){
  $id('UpLoadFileBox').style.display = 'block';
}
function showmsg(obj,className,innerHTML){
	$id(obj).className = className;$id(obj).innerHTML = innerHTML;
}
function Search(key,Url){
	if(IsNull(key)) return;
	//goUrl(Url+'&key='+key);
	window.location = Url+'&key='+key;
}
/*document.onkeydown=function(){
    if(event.keyCode=='13'){
	   Login();return false;
	}
}
document.onkeydown //键盘事件
window.onerror //捕获错误
document.onmousemove //鼠标进入
document.onmouseout //鼠标离开
document.onmouseover //鼠标滑过
document.onclick //鼠标单击
window.onscroll //页面滚动事件
document.oncontextmenu //鼠标右键,打开上下文菜单
document.onselectstart //鼠标选择
object.onmousewheel //获取鼠标滑轮事件
document.onmousedown //鼠标按下
document.onmouseup=mouseup; //鼠标弹起
event.clientX;  //鼠标X坐标
event.clientY;  //鼠标Y坐标
object.style.pixelLeft;  //元素离页面左边的距离
object.style.pixelTop;   //元素离页面上边的距离
event.srcElement.tagName; //|| className || href || innerHTML || title 等等当前活动事件
event.button; //鼠标左键
window.status; //页面状态栏
window.title;  //页面标题栏
onpropertychange
confirm('确认对话框')    //确认对话框
function zoomimg(img){
var zoom = parseInt(img.style.zoom,10); 
if(isNaN(zoom)){
   zoom = 100;
}
zoom += event.wheelDelta / 12;
if (zoom>10) img.style.zoom = zoom + "%";
return false;
}
object.appendChild(object); //追加元素
*/