function displayIt (el)	{
	document.getElementById(el).style.display = "block"; 
	}
function hideIt (el)	{
	document.getElementById(el).style.display = "none"; 
	}
function toggleIt (el, nel) { 
	if(document.getElementById(el).style.display == "none" || !document.getElementById(el).style.display)
		document.getElementById(el).style.display = "block";
	else
		document.getElementById(el).style.display = "none";  

	if (nel) {
		if(document.getElementById(nel).style.display == "none" || !document.getElementById(nel).style.display)
			document.getElementById(nel).style.display = "block";
		else
			document.getElementById(nel).style.display = "none";  
		}
	}