function displayZone(zone) {

	regions = new Array('dis_details_netherlands','dis_details_canada','dis_details_usa','dis_details_denmark','dis_details_greece','dis_details_usa','dis_details_africa','dis_details_me','dis_details_hungary','dis_details_spain','dis_details_ireland','dis_details_iceland','dis_details_chile','dis_details_turkey');

	for ( var i=regions.length-1; i>=0; --i ){
	
		document.getElementById(regions[i]).style.display="none";
	}	

	document.getElementById(zone).style.display="block";
	
}