//查找网页内宽度太大的图片进行缩放以及PNG纠正
function ReImgSize(){
	for (i=0;i<document.images.length;i++){
		if (document.all){
			if (document.images[i].width>500){
				document.images[i].width="500"
				document.images[i].outerHTML='<a href="'+document.images[i].src+'" target="_blank" title="在新窗口打开图片">'+document.images[i].outerHTML+'</a>'
			}
		}else{
			if (document.images[i].width>400){
				document.images[i].title="在新窗口打开图片"
				document.images[i].style.cursor="pointer"
				document.images[i].onclick=function(e){window.open(this.src)}
			}
		}
	}
}

//让Mozilla支持innerText
try{
HTMLElement.prototype.__defineGetter__
(
"innerText",
function ()
{
var anyString = "";

var childS = this.childNodes;
for(var i=0; i<childS.length; i++)
{
if(childS[i].nodeType==1)
anyString += childS[i].tagName=="BR" ? '\n' : childS[i].innerText;
else if(childS[i].nodeType==3)
anyString += childS[i].nodeValue;
}

return anyString;
}
); 
}
catch(e){}

//判断是否是IE
function isIE(){
	if (navigator.appName!="Microsoft Internet Explorer") {return false}
	return true
}
//显示隐藏主题
function TopicShow(e,TopicID){
	e.className=(e.className=="BttnC")?"BttnE":"BttnC"
	document.getElementById(TopicID).style.display=(e.className=="BttnC")?"":"none"
	ReImgSize()
}