function checkNoEmpty(e,s)
{
	for(var i=0;i<e.length;i++)
	{
		if($("#"+e[i]).val()=='')
		{
			alert(s[i]);
			$("#"+e[i]).focus();
			return false;
		}
	}
	return true;
}
function showhide(obj, f)
{
	obj = document.getElementById(obj);
	if( f == 1 )
		obj.style.display = "";
	if( f == 0 )
		obj.style.display = "none";
}
$(
	function ()
	{
		$("#searchgoods").focus(function(){if($(this).val()=='请输入搜索内容') $(this).val('');});
	}
);