$(document).ready(function(){


    ini_banner();           //执行三幅banner切换
//    initScroller();         //执行滚动公告栏
    

});

//function
function setSubFocusStyle(add,re,remove)
{
    $(add).addClass("subfocus");
    $(re+','+remove).removeClass("subfocus");
}

function setSubFade(insub,out,outsub)
{
    $(out+','+outsub).fadeOut("normal",function(){ $(insub).fadeIn("slow");});
}

function ini_banner()
{
    banner_a_click();
    banner_b_click();
    banner_c_click();
}

function banner_a_click()
{
    $("#banner_subimg_a,#banner_subtxt_a").click(function(){    
        setSubFocusStyle("#banner_subimg_a","#banner_subimg_b","#banner_subimg_c"); 
        setSubFade("#banner_con_a","#banner_con_b","#banner_con_c"); 
    }) 
}

function banner_b_click()
{
    $("#banner_subimg_b,#banner_subtxt_b").click(function(){    
        setSubFocusStyle("#banner_subimg_b","#banner_subimg_a","#banner_subimg_c"); 
        setSubFade("#banner_con_b","#banner_con_a","#banner_con_c"); 
    })
}

function banner_c_click()
{
    $("#banner_subimg_c,#banner_subtxt_c").click(function(){    
        setSubFocusStyle("#banner_subimg_c","#banner_subimg_b","#banner_subimg_a"); 
        setSubFade("#banner_con_c","#banner_con_b","#banner_con_a"); 
    })
}


function setMenuBackgroundColor(id)
{
    //alert(id);
    //$(id).click(alert(id));
    $(id).addClass("menulink");
}