//选择省
function select_prov(prov){
	if(!prov){
		xInnerHtml("citydiv","<select name=\"city\" id=\"city\"><option value=''>请选择</option></select>");
		return;
	}

	var	queryString='';
	queryString+='prov='+prov;
	var	url					=	'/common/process/get_city.php';
	new ajax.nero.Request(url, queryString, select_prov_handler, "POST");


}

//选择省后显示市
function select_prov_handler(request){
	if ( request.readyState == 4 ){
		if ( request.status == 200 ){
			var	con	=	request.responseText.trim();
			xInnerHtml('citydiv',con);
		}
		request = null;
	}
}

function check_form(){
	var mForm = xGetElementById('form1');

	var keyword	=	mForm.keyword.value.trim();

	if(keyword) keyword	 =	keyword.replace(/['"\\`<>?!@#$%^&*\~()\-=+]+/, "");

	url	 =	"search.php?";

	if (mForm.tr_province.value){
		url+= "prov="+mForm.tr_province.value; 
	}

	if (mForm.city.value){
		url+= "&city="+mForm.city.value; 
	}

	if(keyword)	 url+=	 "&kw=" + encodeURIComponent(keyword);

	window.location.href	=	url;

	return false;

}