var muisoverkaart = function(location){
	muisweg();
	
	var prov = document.getElementById("bel_roll_" +  (location.getAttribute("loc")));
	prov.style.display = "inherit";
}

var muisweg = function(){
	var provs = document.getElementsByTagName("area");
	
	var lst = new Array();
	
	for(i=0; i<provs.length; i++)
		document.getElementById("bel_roll_" +  (provs[0].getAttribute("loc"))).style.display = "none";
}