window.onload = function () {
    jQuery(".top-nav").slide({ type:"menu",  titCell:"dd", targetCell:"ul", delayTime:0,defaultPlay:false,returnDefault:true  });


    jQuery(".focusBox").slide({ titCell:".num li", mainCell:".pic",effect:"fold", autoPlay:true,trigger:"click",
        startFun:function(i){
            jQuery(".focusBox .txt li").eq(i).animate({"bottom":0}).siblings().animate({"bottom":-36});
        }
    });

    jQuery(".picScroll").slide({ mainCell:".picList", effect:"left",vis:4, pnLoop:false, scroll:4, autoPage:true});

    $("#sideNav").slide({
        type: "menu", //效果类型
        titCell: ".mainCate", // 鼠标触发对象
        targetCell: ".subCate", // 效果对象，必须被titCell包含
        delayTime: 0, // 效果时间
        triggerTime: 0, //鼠标延迟触发时间
        defaultPlay: false,//默认执行
        returnDefault: true//返回默认
    });

    setMouseOver(document.getElementById('ybu-site'), document.getElementById('ybu-site-box-data'), 92, 219);
    setMouseOver(document.getElementById('teacher-site'), document.getElementById('teacher-site-box-data'), 56, 182);
    setMouseOver(document.getElementById('science-site'), document.getElementById('science-site-box-data'), 205, 252);
    setMouseOver(document.getElementById('box-data-span-1'), document.getElementById('box-data-1'), 410, 180);
}
function setMouseOver(obj1, obj2, left, top){
    var x,y;
    obj1.onmouseover = function (event,obj) {
        x = obj1.offsetLeft-left;
        y = obj1.offsetTop-top;
        obj2.style.left = x + "px";
        obj2.style.top = y + "px";
        obj2.style.display='block';
    }
    obj1.onmouseout = function (event) {
        obj2.style.display='none';
    }
    obj2.onmouseover = function (event,obj) {
        obj2.style.left = x;
        obj2.style.top = y;
        obj2.style.display='block';
    }
    obj2.onmouseout = function (event) {
        obj2.style.display='none';
    }
}