function Tab(obj){
	this.obj = obj;
}
Tab.prototype.init = function(){
	var $para = this.obj;
	var t1 = document.getElementById($para.id).getElementsByTagName($para.tag1);
	var t2 = document.getElementById($para.id).getElementsByTagName($para.tag2);
        var t3 = document.getElementById('mymore').getElementsByTagName('a');
	this.$event = "on" + $para.eventType;
	t1[0].className = "active";
	t2[0].style.display = "block";
	for(var i=0;i<t1.length;i++){
		t1[i][this.$event] = (function(index){
			return function(){
				for(var j=0;j<t1.length;j++){
					t1[j].className = "";
					t2[j].style.display = "";
                                        t3[j].style.display = "none";
				}
				this.className = "active";
				t2[index].style.display = "block";
				t3[index].style.display = "";
			}
		})(i);
	}
}
function locationAddParam(url, paramName, paramValue) {
	paramValue = encodeURIComponent(paramValue)
	if (url == "" || url.length == 0) {
		url = window.location.href;
	}
	if (url.substring(url.length-1,url.length) == "#") {
		url = url.substring(0,url.length-1);
	}
	var pos = url.indexOf("&"+paramName+"=");
	if (pos == -1) {
		pos = url.indexOf("?"+paramName+"=");
	}
	if (pos != -1) {
		if (url.indexOf("&",pos+1) == -1) {
			url = url.substring(0,url.indexOf("=",pos+1)+1)+paramValue;
		}
		else {
			var tempStr = url.substring(url.indexOf("&",pos+1),url.length);
			url = url.substring(0,url.indexOf("=",pos+1)+1)+paramValue+tempStr;
		}
	}
	else {
		if (url.indexOf("?") != -1) {
			url = url+"&"+paramName+"="+paramValue;
		}
		else {
			url = url+"?"+paramName+"="+paramValue;
		}
	}
	return url;
}

function locationDelParam(url, paramName) {
	if (url == "" || url.length == 0) {
		url = window.location.href;
	}
	var pos = url.indexOf("&"+paramName+"=");
	if (pos == -1) {
		pos = url.indexOf("?"+paramName+"=");
	}
	if (pos != -1) {
		if (url.indexOf("&",pos+1) == -1) {
			url = url.substring(0,pos);
		}
		else {
			var tempStr = url.substring(url.indexOf("&",pos+1)+1,url.length);
			url = url.substring(0,pos+1)+tempStr;
		}
	}
	return url;
}