$(document).ready(function() {
	$("#www-region").change(function() {
		var allRegions = $("#www-region").children();
		for (i=0;i < allRegions.length;i++) {
			var thisRegion = getRegionFromURL($(allRegions[i]).attr("value"));
			if (thisRegion != '' && thisRegion != null) {
				$("#where-we-work/form").removeClass(thisRegion);
			}				
		}
		var selectedRegion = getRegionFromURL($("#www-region/option:selected").attr("value"));			
		if (selectedRegion != '' && selectedRegion != null) {	
			$("#where-we-work/form").addClass(selectedRegion);		
		}
	});
});

function getRegionFromURL(url) {
	var regExp = new RegExp("/where/[^/]*"); 	
	var where = String(regExp.exec(url));
	if (where != '' && where != null) {var thisRegion = where.replace("/where/", '');} 
	else {var thisRegion = "";}	
	return thisRegion;					
}