function getpaihang(obj)
{
	var obj;
	var url="danqi_list2.php";
	var pars ='paihang='+obj;
	var update='';
	var myAjax = new Ajax.Updater(
	update,
	url,
	{
		method: 'POST',
		parameters: pars,
		evalScripts : true,
		onComplete:responseShow
	});
}
function responseShow(response)
{
	var stringText =response.responseText;
    $('pk_list_content').innerHTML=stringText;
}