var imgindex =new Array();
imgindex[0]="banner01.jpg";
imgindex[1]="banner02.jpg";
imgindex[2]="banner03.jpg";
imgindex[3]="banner04.jpg";
imgindex[4]="banner05.jpg";
$("#show").css("opacity","0");

var imgi=0;
function imgani (){
    $("#show").animate({
        opacity:"1"
    },3000)
    .animate({
        opacity:"0"
    },3000,function(){

        if( imgi < imgindex.length -1){
            imgi++;
        } else {
            imgi=0;
        }
        var imgsrc;
        if(targetEncoding==1)
        {
            imgsrc = "images/"+imgindex[imgi];
        }else{
            imgsrc = "images/" + imgindex[imgi];
        }
        $("#show img").attr("src", imgsrc);
        imgani();
    });
}


$(document).ready(function(){

    //内容区块自动加高
    var obj = $('.cont');
    var down = obj.height();
    if( down > 310 ){
        $("#cont_box").css("height","auto");
    }

    //======================================
    //图片幻灯效果
    imgani();

    //======================================
    //繁简字体分开调用按钮
    $("#toCn").click(function(){
        $("#friend_link").css("background-image","url(images/relatelink.gif)");
        $("#flink_all").css("background-image","url(images/alllink.gif)");
        $("#flink_add").css("background-image","url(images/apply.gif)");

        //alert("简体中文");
        currentEncoding  = 1;
        targetEncoding = 2;
        translateButtonObject.innerHTML = msgToTraditionalChinese;
        setCookie( targetEncodingCookie, targetEncoding, 7 );
        translateBody();
    });
    $("#toTw").click(function(){
        $("#friend_link").css("background-image","url(images/relatelink_trad.gif)");
        $("#flink_all").css("background-image","url(images/links_trad.gif)");
        $("#flink_add").css("background-image","url(images/apply_trad.gif)");

        //alert("繁体中文");
        currentEncoding  = 2;
        targetEncoding = 1;
        translateButtonObject.innerHTML = msgToSimplifiedChinese;
        setCookie( targetEncodingCookie, targetEncoding, 7 );
        translateBody();
    });

    //==============================================
    // 导航栏二级下拉菜单
    $("#nav ul li").hover(function(){
        var hover_index = $("#nav ul li").index(this);
        var x = $(this).offset().left;
        var x_m =($("html").width()-$("body").width())/2;
        x-=x_m;
if($.browser.msie) x+=12;
        x+="px";
        var y = $(this).offset().top;
        y+=$(this).height();
        y+="px";
        //alert(x);
        $("#dropmenu ul").hide();
        $("#dropmenu ul").eq(hover_index).show();
        $("#dropmenu").css("left",x).css("top",y);

    },function(){
        $("#dropmenu ul").hover(function(){

            },function(){
                $(this).hide();
            });
        });

});