function tabtogle(i,k)
{
var j;
for (j=1; j<=k; j++)
	{
		if(i==j)
		{
			document.getElementById("level"+i).style.display = "block";
		
		}
		else
		{
			document.getElementById("level"+j).style.display = "none";
		}
	}
}

function tabtogle_hide(i,k)
{
var j;
for (j=1; j<=k; j++)
	{
		if(i==j)
		{
			document.getElementById("level"+i).style.display = "none";
		
		}
		else
		{
			document.getElementById("level"+j).style.display = "none";
		}
	}
}

function validate_form(){
	
			var fname = document.getElementById("info1").value;
			var lname = document.getElementById("info2").value;
			
			if (((fname==null)||(fname==""))||((lname==null)||(lname==""))){
		  document.getElementById("errlabel").style.display = "block";
		  
		  return false;
		 }
		 else
		 {
			 document.getElementById("errlabel").style.display = "none";
			 document.form1.submit();
			 return true;
			 }
		
		
	
	}
	
	function reset_form()
	{
		document.getElementById("errlabel").style.display = "none";
		}