// JavaScript Document
function $id(id){
	return document.getElementById(id);
	}
function ShowMsg(){
	document.writeln("<div id=\"msgdiv\" style=\"position:absolute;display:none;border:2px solid #AFCEF9;\"><\/div>");
	document.writeln("<div id=\"overdiv\" style=\"position:absolute;display:none;\">");
	document.writeln("<\/div>");
	//回调函数
	this.ok_callback=function(){};
	this.cancel_callback=function(){};
	this.msgobjname=""
	this.show=function(msgtitle,msgcontent,selecttype){
		var tempobj1=$id("msgdiv");
		var tempobj2=$id("overdiv");
		var msgobj=this.msgobjname;
  		tempobj2.style.filter="alpha(opacity=0)";
  		tempobj2.style.MozOpacity = 75/100;
    	tempobj2.style.backgroundColor = "#000000";
	  	tempobj2.style.display = '';
    	tempobj2.style.zIndex= 100;
    	tempobj2.style.height= document.documentElement.clientHeight+"px";
    	tempobj2.style.width= document.documentElement.clientWidth+"px";
			tempobj2.style.left=0;
			tempobj2.style.top=0;
			tempobj1.style.display="none";
    	tempobj1.style.left= (document.documentElement.clientWidth)/3+600+"px";
    	tempobj1.style.top= (document.documentElement.scrollTop+(document.documentElement.clientHeight)/3)+200+"px";
    	tempobj1.style.display= '';
    	tempobj1.style.width=200+"px";
    	tempobj1.style.height=100+"px";
    	tempobj1.style.zIndex= 200;
    	tempobj1.style.backgroundColor = "#CDDAF1";
    	var OutStr;
    	OutStr="<div style=\";text-align:center;height:25px;font-size:12px;background-image:url(images/wenxin.gif);cursor:move\" canmove=\"true\" forid=\"msgdiv\"><span style=\"float:right;margin-top:5px \" <a style=\"cursor:hand;\" onclick=\""+msgobj+".cancel();\">关闭</a></span></div>"
  	OutStr=OutStr+"<div style=\"margin-top:40px;height:50px;text-align:center;font-size:12px;color:#FF0000;\">"+msgcontent+"</div>"
//   		if(selecttype==1){
//    		OutStr=OutStr+"<div style=\"text-align:center;font-size:12px;\"><input type=\"button\" value=\"确定\" onclick=\""+msgobj+".ok()\">    <input type=\"button\" value=\"取消\" onclick=\""+msgobj+".cancel()\"></div>"
//    	}
   //	 	else if(selecttype==2){
//    		OutStr=OutStr+"<div style=\"text-align:center;font-size:12px;\"><input type=\"button\" value=\"确定\" onclick=\""+msgobj+".ok()\"></div>"
//    	}
    	
    	tempobj1.innerHTML=OutStr;
    	var md=false,mobj,ox,oy
     	document.onmousedown=function(ev)
     	{
			var ev=ev||window.event;
			var evt=ev.srcElement||ev.target;
         	if(typeof(evt.getAttribute("canmove"))=="undefined")
         	{
            	 return;
         	}
         	if(evt.getAttribute("canmove"))
         	{
             	md = true;
             	mobj = document.getElementById(evt.getAttribute("forid"));
             	ox = mobj.offsetLeft - ev.clientX;
             	oy = mobj.offsetTop - ev.clientY;
         	}
     	}
     	document.onmouseup= function(){md=false;}
     	document.onmousemove= function(ev)
     	{
			var ev=ev||window.event;
         	if(md)
         	{
             	mobj.style.left= (ev.clientX + ox)+"px";
             	mobj.style.top= (ev.clientY + oy)+"px";
         	}
     	}
		}
		this.ok = function()
		{
			$id('msgdiv').style.display='none';
			$id('overdiv').style.display='none';
			//this.ok_callback();
		}
		this.cancel=function(){
			$id('msgdiv').style.display='none';
			$id('overdiv').style.display='none';
			//this.cancel_callback();
		}
	}

var ShowMsgo=new ShowMsg();
//设置对象名,供内部引用
ShowMsgo.msgobjname="ShowMsgo";
//定义回调函数
//ShowMsgo.ok_callback=function(){
//	alert("ok");
//	}
//ShowMsgo.cancel_callback=function(){
//	alert("cancel")
//	}
   function isnull(){
     if(document.form1.wd.value==""){
	 ShowMsgo.show('温馨提示！','查询内容不能为空！',1)
	//alert("dddd");
	 return false;
	 }
	 return true;
   
   }