$(document).ready(function(){
		$("#region").bind('change',function(){
			var data = 	{
							region : $(this).val()
						}
			$('#regionname').val(getSelectedText($(this).attr('id')));
			$('#provincename').val(getSelectedText('province'));
			var result = ajaxRequest('ajax/fillProvince.php',data,false,'POST');
			$('#province').html('<option value="" id="selectmeClear"></option>'+result);
			$('#selectmeClear','#province').attr('selected','selected');
		});
		
		$("#province").bind('change',function(){
			$('#provincename').val(getSelectedText($(this).attr('id')));
			$('#regionname').val(getSelectedText('region'));
			document.formSearch.submit();
		});
		
		$("#contract").bind('change',function(){
			$('#provincename').val(getSelectedText('province'));
			$('#regionname').val(getSelectedText('region'));
			if ($.trim($('#provincename').val())!=''){
				document.formSearch.submit();
			}
		});
		
		
		
});

function ajaxRequest(page,dataValues,isAsync,callType){
	var result =$.ajax({
					 url	:	page,
					 type	:	callType,
					 data	: 	dataValues,
					 async	: 	isAsync
				}).responseText;
	return result;
}
function getSelectedText(id){
	var selObj = document.getElementById(id);
	var selIndex = selObj.selectedIndex;
	return selObj.options[selIndex].text;
}