function checkform(formId)
{
	if(document.forms[formId].username.value == "")
	{
		alert("用户名不能为空！");
		document.forms[formId].username.focus();
		return false;
	}
	
	if(document.forms[formId].pwd.value == "")
	{
		alert("密码不能为空！");
		document.forms[formId].pwd.focus();
		return false;
	}
	
	return true;
}

function  Frontlogin(formId)
{
	
	if(checkform(formId))
	{
		if(formId == "userLoginForm1" || formId == "userLoginForm2")
		{
			var logintype;
			var types = document.forms[formId].logintype;			
			for(i=0;i<types.length;i++)
			{
				if(types[i].checked) logintype = types[i].value;
			}			
			var username = document.forms[formId].username.value;
			var password = document.forms[formId].pwd.value;
			
			var url = "http://apply.hbttc.org/login.do";
			var pars = "username="+username + "&password="+password+ "&logintype="+ logintype;
			
			window.open(url + "?" + pars);
		}
		else if(formId == "userLoginForm3")
		{
			
		}
		else if(formId == "userLoginForm4")
		{			
			var form = $(userLoginForm4);		
			var url = "/users/loginAction.jsp";	
			var pars = form.serialize();
			
			var myAjax = new Ajax.Request(url,{method: "post", parameters: pars, onComplete: function(originalRequest){eval(originalRequest.responseText);}});
		}
		
		
		
	}
}

function loadWsbs(){
	var url='/users/wsbs.jsp';	
	new Ajax.Updater('wsbsHTML', url, {method:'post',evalScripts:true});
}

//删除左右空格
String.prototype.trim=function()
{      
    return this.replace(/(^\s*)|(\s*$)/g, '');   
}