//首页价格跳转链接
function priceClick()
{
    jQuery('.money1').click(function(){
        location.href='help_price.php';
    })
}

//获取url参数
function getUrlParam(paramName){
    var url=window.location.toString();
    var urls=url.split('&');
    var value;
    $(urls).each(function(){
        if(this.indexOf(paramName)>=0){
            value=this.substring(this.indexOf('=')+1, this.length);
        }
    })
    return value;
}

//判断导航current状态
function isCurrent(){
    if(getUrlParam('main_cate')){
        if(getUrlParam('main_cate')==1){
            setCurrent('.nav a',1,'current');
        }
        else if(getUrlParam('main_cate')==2){
            setCurrent('.nav a',2,'current');
        }
    }
}

//设置导航current状态
function setCurrent(tag,index,currentClass){
    var otarget=jQuery(tag);
    otarget.eq(index).addClass(currentClass);
}

//从首页进入歌曲列表时判断导航的current状态
function homeInCurrent(){
    if(getUrlParam('format')){
        if(getUrlParam('format')=='music'){
            setCurrent('.nav a',1,'current');
        }
        else if(getUrlParam('format')=='soundfx'){
            setCurrent('.nav a',2,'current');
        }
    }
}

jQuery
(
    function(){
        isCurrent();
        homeInCurrent();
        priceClick();
    }
)