$(document).ready(
    function()
    {
        $("#search_text").addClass("font_lightgrey");
        $("#search_text").focus(function()
        {
            $(this).toggleClass("font_lightgrey");
            $(this).val("");
        }
        ).blur(function()
        {
            $(this).toggleClass("font_lightgrey");
        }
        );

        $(".clickclear").bind("focus", function() { $(this).val(""); });
    }
);

function editaction(source)
{
    var oform = $(source.form);
    if (!oform.is("form"))
        return;

    var actionvalue = $(source).val();

    switch (actionvalue)
    {
        case "shop": oform.attr("action", "/shop/search.aspx"); break;
        case "roam": oform.attr("action", "/roam/search.aspx"); break;
        case "coupon": oform.attr("action", "/coupon/search.aspx"); break;
        case "news": alert("新闻资讯的查找暂时不提供，不好意思"); $(source).find("option").eq(0).attr("selected", "selected"); break;
    }
}


function validationsearch()
{
    var otext = $("#search_text");
    var oclass = $("#search_class");
    if ($.trim(otext.val()) == "")
    {
        alert("搜索关键字不能为空");
        otext.focus();
        return false;
    }

    if (otext.val().indexOf("关键字") >= 0)
    {
        alert("请正确填写搜索关键字");
        otext.focus();
        return false;
    }

    if ($.trim(oclass.val()) == "")
    {
        alert("请选择搜索条件");
        return false;
    }
}

function showcity()
{
    $("#showcity").slideToggle("slow"); 
}