// Show & Hide a DIV layer
function showHideDiv(divname){
	
	if( document.getElementById(divname).style.display == "none")
		document.getElementById(divname).style.display = "block";
	else 
		document.getElementById(divname).style.display = "none";
}

// Show a DIV layer
function showDiv(divname){
	document.getElementById(divname).style.display = "block";
}

// Hide a DIV layer
function hideDiv(divname){
	document.getElementById(divname).style.display = "none";
}