function switchTag(source,tag){
	if(!$(source))return;
	var source = $(source);
	if(curCon)curCon.style.display = "none";
	source.style.display = "block";
	curCon = source;
	if(tag){
		var tag = $(tag);
		actTag?$(actTag).className = "tag":tag.parentNode.getElementsByTagName("div")[0].className = "tag";
		tag.className = "actTag";
		actTag = tag;
	}
}
function qryTag(){
	var qryArr = location.search.replace(/^\?/,"").split("&");
	var qryTag = "";
	if(qryArr.length > 0){
		for(var i = 0; i < qryArr.length; i++){
			var tmpArr = qryArr[i].split("=");
			if(tmpArr[0] == "tag"){
				qryTag = tmpArr[1];
				switchTag(qryTag,qryTag+"_tag");
			}
		}
	}
}
var actTag,curCon;