function selectTag2(showcon2tent,selfObj){
	// ²Ù×÷±êÇ©
	var tag = document.getElementById("tags2").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTag2";
	// ²Ù×÷ÄÚÈÝ
	for(i=0; j=document.getElementById("tagcon2tent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showcon2tent).style.display = "block";
	
	
}