var laylegVis = 'pnlLayers';
var laylegInvis = 'pnlLegend2';

function loading_graphic()	{
	//window.alert('loading graphic');
	if (document.getElementById) var layer = document.getElementById('loading');
	if (layer !=null)	{		
		//window.alert('loading graphic');
		layer.style.visibility="visible";
		//layer.style.display="none";		
	}
	if (document.getElementById) var layer = document.getElementById('mainmap');
	if (layer !=null)	{
		//window.alert(layer);
		layer.style.visibility="hidden";
		//layer.style.display="none";
		//window.alert('loading graphic function');
	}
}

function LayLegToggle(name)	{
//gets called from the legend/layer link
	if (name=='pnlLayers')	{
		laylegVis = 'pnlLayers';
		laylegInvis = 'pnlLegend2';
	}
	if (name=='pnlLegend2')	{
		laylegVis = 'pnlLegend2';
		laylegInvis = 'pnlLayers';
	}
	
	showhideLayLeg();
}

function showhideLayLeg()	{
	if (document.all) var sub = document.all[(laylegVis)]
	if (document.getElementById) var sub = document.getElementById(laylegVis)
	if (sub !=null)	{
		sub.style.visibility="visible";
		sub.style.display="";
	}
	
	if (document.all) var sub = document.all[(laylegInvis)]
	if (document.getElementById) var sub = document.getElementById(laylegInvis)
	if (sub !=null)	{
		sub.style.visibility="hidden";
		sub.style.display="none";
	}
}


function winopen(URL,sLayers)	{
			window.open(URL + '&lyr=' + sLayers);
			//return false;
}