<!--
function showhide(layer_ref)
{
	var state = document.getElementById(layer_ref).style.display;
    if (state == 'block') 	
	{
         document.getElementById(layer_ref).style.display = 'none';
		 createCookie(layer_ref,0,1);
	}
	else 
	{
		document.getElementById(layer_ref).style.display = 'block';
		createCookie(layer_ref,1,1);
	}
}
-->