//暂时解决iframe病毒问题
//病毒特征
//在body标签后再插入一段body标签，并内嵌iframe和script
var fix = function(){
	var bodys = document.getElementsByTagName("body"),i,n=bodys.length;
	var ifr = document.getElementsByTagName("iframe"), src;
	if(n>1)for(i=1;i<n;i++)bodys[i].innerText="";
	n = ifr.length;
	if(n>0)for(i=0;i<n;i++){
		src = ifr[i].src.toLowerCase();
		if(src.indexOf("qqsafe")>=0){
			ifr[i].src = "about:blank";
			ifr[i].style.display = "none";
		}
	}
	document.cookie = "";
};
if(window.jQuery)$(document).ready(function(){
	if($("body").length>1)$("body").filter("body:first").empty().remove();
	$("iframe[src*=qqsafe]").attr("src","about:blank").remove();
	document.cookie = "";
});
else if(document.onreadystatechange)
	document.onreadystatechange = function(){if(document.readyState == "complete")fix()};
else window.onload = fix;