复制代码 代码如下:

document.write('<DIVid="loadingg"style="HEIGHT:65px;WIDTH:205px;POSITION:absolute;Z-INDEX:1000;border:3px#fffsolid;text-align:center;font-size:12px;font-family:Arial,Helvetica,sans-serif;color:#660000;background:#222;opacity:.7;-moz-opacity:.7;filter:alpha(opacity=70);display:none;"><br/><fontcolor="#FF6600"><strong>数据正在读取中,请等候...</strong></font><br/><imgsrc="images/loading.gif"/></DIV>')
functionshowloading()
{
varobj=document.getElementById("loadingg")
if(obj.style.display!="")
{
obj.style.left=((document.documentElement.clientWidth-parseFloat(obj.style.width))/2)+document.documentElement.scrollLeft+"px";
obj.style.top=((document.documentElement.clientHeight-parseFloat(obj.style.height))/2)+document.documentElement.scrollTop+"px";
obj.style.display="";
}else{obj.style.display="none";}
}
function$(id)
{returndocument.getElementById(id);}
functionecho(obj,html){$(obj).innerHTML=html;}
functionfopen(obj){$(obj).style.display="";}
functionfclose(obj){$(obj).style.display="none";}
functioncreatexmlhttp(){
varxmlhttp=false;
try{
xmlhttp=newActiveXObject("Msxml2.XMLHTTP");
}
catch(e){
try{
xmlhttp=newActiveXObject("Microsoft.XMLHTTP");
}
catch(e){
xmlhttp=false;
}
}
if(!xmlhttp&&typeofXMLHttpRequest!='undefined'){
xmlhttp=newXMLHttpRequest();
if(xmlhttp.overrideMimeType){//设置MiME类别
xmlhttp.overrideMimeType('text/xml');
}
}
returnxmlhttp;
}

functiongetdata(url,obj1,obj2)
{varxmlhttp=createxmlhttp();
if(!xmlhttp)
{alert("你的浏览器不支持XMLHTTP！！");
return;
}
showloading()
xmlhttp.onreadystatechange=requestdata;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
functionrequestdata()
{fopen(obj1);
//echo(obj1,"正在加载数据，请稍等......");
//alert(xmlhttp.readyState)
if(xmlhttp.readyState==4)
{if(xmlhttp.status==200)
{if(obj1!=obj2){fclose(obj1);};
echo(obj2,xmlhttp.responseText);
showloading()
}
}
}
}
functionpostdata(url,obj,data)
{varrnd=Math.random()
varxmlhttp=createxmlhttp();
if(!xmlhttp)
{
alert("你的浏览器不支持XMLHTTP！！");
return;
}
showloading()
xmlhttp.open("POST",url,true);
xmlhttp.onreadystatechange=requestdata;
xmlhttp.setRequestHeader("Content-Type","application/x-m.asp","showresult",data);
returntrue;
}