function _message_child(p,c){
	var pdom=document.getElementById(p);
	var nodes=pdom.childNodes;
	var cdom=false;
	for(var i=0;i<nodes.length;i++){
		if(nodes[i].tagName==c.toUpperCase()){
			cdom=nodes[i];
			break
		}
	}
	return cdom
}
function _message_child_attr_add(p,id,type){
	var pdom=document.getElementById(p);
	var nodes=pdom.getElementsByTagName("a");
	var fn=function(){
		_msg_item_click_count(id,type)
	};
	for(var i=0;i<nodes.length;i++){
		if(nodes[i].href.indexOf("#")>=0&&(""+nodes[i].onclick).indexOf("_message_tips_pop")>=0){
			continue
		}
		if(nodes[i].addEventListener){
			nodes[i].addEventListener("click",fn,false)
		}
		else{
			if(nodes[i].attachEvent){
				nodes[i].attachEvent("onclick",fn)
			}
		}
	}
}

	//close
	function _message_tips_pop(act){
		var MsgPop=_message_child("all","div");
		var MsgPop=null==MsgPop?document.getElementById("all"):MsgPop;
		var popH=parseInt(MsgPop.clientHeight);
		if(act=="up"){
			MsgPop.style.display="block";
			show=setInterval("_message_changeH('up')",2)
		}
		if(act=="down"){
			hide=setInterval("_message_changeH('down')",2)
		}
	}
	function _message_changeH(str){
		var MsgPop=_message_child("all","div");
		var MsgPop=null==MsgPop?document.getElementById("all"):MsgPop;
		var popH=parseInt(MsgPop.clientHeight);
		if(str=="up"){
			if(popH<=240){
				MsgPop.style.height=(popH+4).toString()+"px"
			}
			else{
				clearInterval(show)
			}
		}
		if(str=="down"){
			if(popH>=8){
				MsgPop.style.height=(popH-4).toString()+"px"
			}
			else{
				MsgPop.style.display="none";
				clearInterval(hide)
			}
		}
	}
	//