function $(o) {
    return document.getElementById(o);
}
function getEvent() {
	var i = 0;
	if(document.all) return window.event.srcElement;
	func = getEvent.caller;
	while(func != null) {
		var arg0 = func.arguments[0];
		if(arg0) {
			if(arg0.constructor == MouseEvent) {
				return arg0.target;
			}
		}
		func = func.caller;
	}
	return null;
}
function selectTag(showContent,selfObj) {
    // 操作标签
    var tag = document.getElementById(selfObj.parentNode.parentNode.id).getElementsByTagName("li");
    var taglength = tag.length;
    for(i=0; i<taglength; i++) {
        tag[i].className = "";
    }
    selfObj.parentNode.className = "selectTag";
    // 操作内容
    var tabContent = document.getElementById(showContent.split("_")[0]).getElementsByTagName("div");
    for(i=0; j=tabContent[i]; i++) {
        j.style.display = "none";
    }
    document.getElementById(showContent).style.display = "block";
}
var Interval,nodeObject;
function process(e) {
    if(e.tagName=="SPAN") {
        if(Interval!=undefined && e!=nodeObject) {
            clearTimeout(Interval);
        }
		this.nodeObject = e;
        Interval = setTimeout("artSelectTag()",500);
    }
}
function artSelectTag() {
    var allSpanElement = $("arttip").getElementsByTagName("span");
    for(var i=0;i<allSpanElement.length;i++) {
        allSpanElement[i].className = "";
		$("e"+i).style.display = "none";
		if(allSpanElement[i]==nodeObject) {
			$("e"+i).style.display = "block";
		}
    }
    nodeObject.className = "focus";
    clearTimeout(Interval);
}

function checkMyLogin()
{


	var resualt=false;
for(var i=0;i<document.form1.LoginType.length;i++)
{
    
    if(document.form1.LoginType[i].checked)
    {
      resualt=true;
    }
}
if(!resualt)
{
    alert("请选择会员类型！");
	return false;
}
else
	{

   
	var username=document.getElementById("myUsername").value;
    var pwd=document.getElementById("myPassword").value;




	
    if(username=="" && pwd==""){alert("请输入用户名和密码"); return false;}
    if(username==""){alert("请输入用户名"); return false;}     
    if(pwd==""){alert("请输入密码"); return false;}

	}
}