function getPlatForm(pType){
	var xmlhttp;
	var str;
	var sendstr="";
	var url="/config/platform.asp?act=get"+pType;
	try{xmlhttp=new XMLHttpRequest();}
	catch(e){ xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}
	xmlhttp.onreadystatechange=function(){
		  if (xmlhttp.readyState==4){
			if (xmlhttp.status==200){	
			str=xmlhttp.responseText;
			switch(pType){
			case "logo":
				document.getElementById("siteLogo").src=str;
				break;
			case "banner":
				document.getElementById("siteBanner").src=str;
				break;
			case "qq":
				document.getElementById("siteQQ").innerHTML=str;
				break;
			case "dz":
				document.getElementById("siteDZ").innerHTML=str;
				break;
			case "msn":
				document.getElementById("siteMSN").innerHTML=str;
				break;
			case "vqq":
				document.getElementById("siteVQQ").outerHTML=str;
				break;
			}
			}else{
			alert("系统错误,如有疑问,请与管理员联系!"+xmlhttp.status);
			}
		  }
	}
	xmlhttp.open("get",url,false);
	xmlhttp.send(sendstr); 
}