function advertise_updateRegions(region) {
    var countries   = document.getElementById("advcountry");
    
    doRequest(
            "/util/searchbox_regions.php",
            function(x) {
            		var disable = true;
            		for(i in x.result) {
            			disable = false;
            			break;
            		}
            		
 	          		setOptions("advregion", x, region, disable); },
            { country: countries.value, all:1 });
}