// JavaScript Document


	// Show the dropdown.
	// fstrLayer: receives the name of the layer to show.
	function showDropDown(fstrLayerId) {
//alert("Show: " + fstrLayerId);			
		document.getElementById(fstrLayerId).style.visibility = "visible";
	}
	// Hide the dropdown	
	// fstrLayer: receives the name of the layer to hide.	
	function hideDropDown(fstrLayerId) {
//alert("Hide: " + fstrLayerId);		
		document.getElementById(fstrLayerId).style.visibility = "hidden";
	}