function displayLink(tablename)
	{
		if(tablename == "courses")
		{
			if(document.all["courses"].style.display == "none")
			{
				document.all["courses"].style.display = "inline";
				document.all["pos"].style.display="none";
				document.all["minus"].style.display="inline";	
			}
			else
			{
				document.all["courses"].style.display = "none";
				document.all["pos"].style.display="inline";
				document.all["minus"].style.display="none";	
			}
		}
		else if(tablename == "directory")
		{
			if(document.all["directory"].style.display == "none")
			{
				document.all["directory"].style.display="inline";
				document.all["pos2"].style.display="none";
				document.all["minus2"].style.display="inline";	
			}
			else
			{
				document.all["directory"].style.display = "none";
				document.all["pos2"].style.display="inline";
				document.all["minus2"].style.display="none";					
			}
		}
	}
	function signatureCheck()
	{
		if(submitform.sp_sig.checked == false)
		{
			alert("Please sign the form.")
			return(false);
		}
		else
		{
			return(true);
		}
	}