/* ---------------------------- */
/* SHOW-HIDE Layer				*/
/* ---------------------------- */
function showlayer(layer){
	var maplayer=document.getElementById(layer).style.display;
	document.getElementById(layer).style.display="block";
	
}

function hidelayer(layer){
	var maplayer=document.getElementById(layer).style.display;
	
	document.getElementById(layer).style.display="none";
}