function changeRegion() {
	var field = document.getElementById('memoryMapRegionSelect');
	var url = location.href.substring(location.href.lastIndexOf('/')+1);
	url = (location.protocol + '//' + location.hostname + '/' + field.value + '/' + url);
	location.href = url;
}

function popup(url) {
    window.open(url,"Window1","menubar=no,width=600,height=400,toolbar=no,scrollbars=yes");
}