function menue_ch(str) {
	window.location.href= document.dropdownform.cat1.value;
}	
function changecoloron(obj) {
	 obj.style.backgroundColor='#D4E7F7';
}
function changecolorout(obj) {
	 obj.style.backgroundColor='#ffffff';
}
function changecolorons(obj) {
	 obj.style.backgroundColor='#D4E7F7';
}
function changecolorouts(obj) {
	 obj.style.backgroundColor='#ffffff';
}
function QuickSearch() { 
   document.advertising_quick_search.province.value=-1;
   document.advertising_quick_search.city.value=-1;
   document.advertising_quick_search.submit();
}