//var submenuli = getObjectsByTagAndClass('div','submenu');
function checkdata()   
{
	var   notnull=true;
	message.innerHTML = "";
	if   (hsiform.uid.value=="" & hsiform.uid2.value=="")   
	{   
	     if (notnull==true) message.innerHTML +='请输入:';
	    message.innerHTML +='学号\/准考证号. ';
	    notnull=false;   
	}   
	if(hsiform.upassword.value=="")   
	{   
	      if (notnull==true) message.innerHTML +='请输入:';
	    message.innerHTML +='学籍密码. ';  
	    hsiform.upassword.focus();   
	    notnull=false;   
	}
	if(hsiform.vcodetext.value=="")   
	{   
	      if (notnull==true) message.innerHTML +='请输入:';
	    message.innerHTML +='验证码. ';  
	    hsiform.vcodetext.focus();   
	    notnull=false;   
	}
  return notnull;
}
function init()
{
}
function showlogin(menuid,showmenuidlist)
{ 
	var submenuli = getObjectsByTagAndClass('div','submenu');
	document.getElementById('logintype').value = menuid;
  for(i = 0; i<= showmenuidlist ;i++)
  {
  	document.getElementById('message').innerHTML +='';
  	if(menuid == i)
  	{
	  	//alert(i);
	  	submenuli[i].style.display="block";
	  	document.getElementById('submenus'+i).className = "tabActive";
	  	//document.getElementById('submenusli1'+i).style.display=="block";
	  	//submenus[i].className = "tabActive";
  	}
  	else
  	{
  		document.getElementById('submenus'+i).className = "tab";
  		//document.getElementById('submenusli1'+i).className = "tab";
  		submenuli[i].style.display="none";
  			//submenus[i].className = "tabs";
  	}
  }
}
function changeclass(Activeid,minid,maxid)
{
	for(i = 1; i<= 5 ;i++)
	{
		if(i ==Activeid)
		document.getElementById('lbt'+i).className = "lbtActive";
		else
		document.getElementById('lbt'+i).className = "lbt";
	}
}
function getObjectsByTagAndClass(tag, cls)
{
		 var array = document.getElementsByTagName(tag);
		 var output = new Array();
		 var matches = 0;
		 for(var i=0;i<array.length;i++)
		 {
		 		var parts = array[i].className.split(' ');
				for(var j=0;j<parts.length;j++)
				{
					if(parts[j]==cls)
					{output[matches++]=array[i]; }
				}
		 }
 			return output;
}