function $(domId){return document.getElementById(domId);}
function $A(domName){return document.getElementsByName(domName);}
function $a(domName){return document.getElementsByName(domName)[0];}
function $T(tagName){return document.getElementsBytagName(tagName);}

String.prototype.trim=function(){return String.replace(/^\s*|\s*$/g,'');};

function tag1Over(objid1,objid2,id){
	var tagbuttons=[$("tagButton1"),$("tagButton2"),$("tagButton3")];
	var tagBox=[$("tagBox1"),$("tagBox2"),$("tagBox3")];
	for(var i=0;i<tagbuttons.length;i++){
		tagbuttons[i].className="wz_dao_b";
		tagBox[i].style.display="none";
	}
	$(objid1).className="wz_dao_a";
	$(objid2).style.display="";
}
function tag2Over(objid1,objid2,id){
	var tagbuttons=[$("tag2Button1"),$("tag2Button2"),$("tag2Button3"),$("tag2Button4"),$("tag2Button5"),$("tag2Button6"),$("tag2Button7"),$("tag2Button8"),$("tag2Button9"),$("tag2Button10"),$("tag2Button11"),$("tag2Button12")];
	var tagBox=[$("tag2Box1"),$("tag2Box2"),$("tag2Box3"),$("tag2Box4"),$("tag2Box5"),$("tag2Box6"),$("tag2Box7"),$("tag2Box8"),$("tag2Box9"),$("tag2Box10"),$("tag2Box11"),$("tag2Box12")];
	for(var i=0;i<tagbuttons.length;i++){
		tagbuttons[i].className="net_dao_b";
		tagBox[i].style.display="none";
	}
	$(objid1).className="net_dao_a";
	$(objid2).style.display="";
}