//window.onerror = function(){return true;}
window.onload = function(){document.body.scrollTop = 1;}
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 $(e){
  return document.getElementById(e) || 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;
}
//获取字符串内数字
function getNumber(str){
var num = '';
for(var i=0;i<str.length;i++){
   if(IsNumeric(str.charAt(i))){
      num += str.charAt(i);
   }
  }
  return (IsNumeric(num)) ? parseInt(num) : num.length;
}
window.onscroll = Scroll;
function Scroll(){
	$id('Scroll').className = 'Scroll';
	$id('Scroll').style.display = 'block';
	var ScrollWidth = 20;
	switch(document.body.offsetWidth){
	  case 1088	:ScrollWidth = 50;break;
	  case 1152	:ScrollWidth = 70;break;
	  case 1280:ScrollWidth = 150;
	}
	$id('Scroll').style.left = ScrollWidth + document.body.offsetWidth - (document.body.offsetWidth - $id('box').offsetLeft);
	if(document.body.scrollTop<140){
		 $id('Scroll').style.top = document.body.scrollTop + 150;return;
	 }
	$id('Scroll').style.top = document.body.scrollTop+50;
}