function searchByKeyword()
{
	if (document.getElementById("txtSearch").value != "")
	{
		window.open("../products/SearchShow.aspx?pname=" + escape(document.getElementById("txtSearch").value));
	}
	else
	{
		alert("请输入查询的产品名称。");
		document.getElementById("txtSearch").focus();
	}
	return false;
}