function chk_country() {
	hide('province');
	hide('location');
	var countryID = document.getElementById('searchCountryID').value;
	HTML_AJAX.grab("/get_region_select.php?type=jobs&countryID="+countryID, grabCallbackProvince);
	HTML_AJAX.grab("/get_region_select.php?type=jobs&provinceID=", grabCallbackLocation);
	if (countryID!='') {
		show('province');
	}
}
function chk_province() {
	hide('location');
	var provinceID = document.getElementById('searchProvinceID').value;
	HTML_AJAX.grab("/get_region_select.php?type=jobs&provinceID="+provinceID, grabCallbackLocation);
	if (provinceID!='') {
		show('location');
	}
}
function grabCallbackProvince(content) {
    document.getElementById("province").innerHTML = content;
}
function grabCallbackLocation(content) {
    document.getElementById("location").innerHTML = content;
}
function show(id) {
	document.getElementById(id).style.display='';
}
function hide(id) {
	document.getElementById(id).style.display='none';
}