function doClick_down(o){
	 o.className="rb";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=11;i++){
	   id ="down"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("d_con"+i);
	   if(id != o.id){
	   	 j.className="ra";
	   	 e.style.display = "none";
	   }else{
		e.style.display = "block";
	   }
	 }
	 }
window.onerror = function () {return true};

//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
}

//载入图片
function showbigimage(img,url){ 
document.getElementById(img).src=url; 
return 1; 
}
//复制文本