function getkeyword(obj){
    var nav = document.getElementsById("_hidNav").value;
    var skey = document.getElementById(jQuery("#_hidNav").attr("val")).value;
    if(trim(skey)==""||"输入"==skey.substring(0,2))
    {
        return true;
    }
    else
    {
        if(obj.href.indexOf("?") > -1)
        {
            window.location.href=obj.href+"&keywords="+encodeURI(skey);
        }
        else
        {
            window.location.href=obj.href+"?keywords="+encodeURI(skey);
        }
        return false;
    }    
}
function trim(inputString) {
	return inputString.replace(/^ +/,"").replace(/ +$/,"");
}
function cleartxts(obj)
{
    var skey = obj.value;
    if("输入"==skey.substring(0,2))
    {
        obj.value = "";
    }
}
/*获取url中的keywords值*/
function getquery(name)
{
　　var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
　　var r = location.href.substr(location.href.indexOf("\?")+1).match(reg);
　　if (r!=null) return r[2]; return null;
} 
function getCata(obj,name)
{
    var l = document.getElementsByName("cata");
    if(document.getElementById(obj).innerText == "更多>>")
    {
        for(var i = 0; i < l.length; i ++)
        {
           l[i].style.display = "";
        }  
        document.getElementById(obj).innerText = "<<精简" 
    }
    else
    {
        for(var i = 0; i < l.length; i ++)
        {
           l[i].style.display = "none";
        }
        document.getElementById(obj).innerText = "更多>>"
    }
}
//开始搜索
function getsearch()
{
    var nav = document.getElementById("_hidNav").value;
    var skey = document.getElementById(jQuery("#_hidNav").attr("val")).value;
    if(trim(skey)==""||"输入"==skey.substring(0,2))
    {
        alert("请输入您要查找的信息关键字");
        return false;
    }
    else if(nav == "http://qiugou.zjypw.com/search/typeid2")
    {
        window.location.href = nav + "-key" + encodeURI(skey) + "-p1.shtml";
    }
    else
    {
        if(nav.indexOf("?") > -1)
        {
            window.location.href=nav+"&keywords="+encodeURI(skey);
        }
        else
        {
            window.location.href=nav+"?keywords="+encodeURI(skey);
        }
        return false;
    }    
}