// 可控制向上下滚动图片效果


var Speed_2 = 15;
var Space_2 = 20;
var PageHeigth_2 = 105*3;
var interval_2 = 3000;
var fill_2 = 0;
var MoveLock_2 = false;
var MoveTimeObj_2;
var MoveWay_2 = "bottom2";
var Comp_2 = 0;
var AutoPlayObj_2 = null;

function GetObj2(objName) {
    if (document.getElementById) {
        return eval('document.getElementById("' + objName + '")')
    } else {
        return eval('document.all.' + objName)
    }
}

function AutoPlay_2() {
    clearInterval(AutoPlayObj_2);
    AutoPlayObj_2 = setInterval('ISL_GoDown_2();ISL_StopDown_2();', interval_2)
}

function ISL_GoUp_2() {
    if (MoveLock_2) return;
    clearInterval(AutoPlayObj_2);
    MoveLock_2 = true;
    MoveWay_2 = "top2";
    MoveTimeObj_2 = setInterval('ISL_ScrUp_2();', Speed_2);
}

function ISL_StopUp_2() {
    if (MoveWay_2 == "bottom2") {
        return
    };
    clearInterval(MoveTimeObj_2);
    if ((GetObj2('ISL_Cont_2').scrollTop - fill_2) % PageHeigth_2 != 0) {
        Comp_2 = fill_2 - (GetObj2('ISL_Cont_2').scrollTop % PageHeigth_2);
        CompScr_2()
    } else {
        MoveLock_2 = false
    }
    AutoPlay_2()
}

function ISL_ScrUp_2() {
    if (GetObj2('ISL_Cont_2').scrollTop <= 0) {
        //GetObj2('ISL_Cont_2').scrollTop = GetObj2('ISL_Cont_2').scrollTop + GetObj2('List1_2').offsetHeight
    }
    GetObj2('ISL_Cont_2').scrollTop -= Space_2
}

function ISL_GoDown_2() {
    clearInterval(MoveTimeObj_2);
    if (MoveLock_2) return;
    clearInterval(AutoPlayObj_2);
    MoveLock_2 = true;
    MoveWay_2 = "bottom2";
    ISL_ScrDown_2();
    MoveTimeObj_2 = setInterval('ISL_ScrDown_2()', Speed_2)
}

function ISL_StopDown_2() {
    if (MoveWay_2 == "top2") {
        return
    };
    clearInterval(MoveTimeObj_2);
    if (GetObj2('ISL_Cont_2').scrollTop % PageHeigth_2 - (fill_2 >= 0 ? fill_2 : fill_2 + 1) != 0) {
        Comp_2 = PageHeigth_2 - GetObj2('ISL_Cont_2').scrollTop % PageHeigth_2 + fill_2;
        CompScr_2()
    } else {
        MoveLock_2 = false
    }
    AutoPlay_2()
}

function ISL_ScrDown_2() {
    if (GetObj2('ISL_Cont_2').scrollTop >= GetObj2('List1_2').scrollHeight) {
        //GetObj2('ISL_Cont_2').scrollTop = GetObj2('ISL_Cont_2').scrollTop - GetObj2('List1_2').scrollHeight
    }
    GetObj2('ISL_Cont_2').scrollTop += Space_2
}

function CompScr_2() {
    if (Comp_2 == 0) {
        MoveLock_2 = false;
        return
    }
    var num, TempSpeed = Speed_2,
        TempSpace = Space_2;
    if (Math.abs(Comp_2) < PageHeigth_2 / 2) {
        TempSpace = Math.round(Math.abs(Comp_2 / Space_2));
        if (TempSpace < 1) {
            TempSpace = 1
        }
    }
    if (Comp_2 < 0) {
        if (Comp_2 < -TempSpace) {
            Comp_2 += TempSpace;
            num = TempSpace
        } else {
            num = -Comp_2;
            Comp_2 = 0
        }
        GetObj2('ISL_Cont_2').scrollTop -= num;
        setTimeout('CompScr_2()', TempSpeed)
    } else {
        if (Comp_2 > TempSpace) {
            Comp_2 -= TempSpace;
            num = TempSpace
        } else {
            num = Comp_2;
            Comp_2 = 0
        }
        GetObj2('ISL_Cont_2').scrollTop += num;
        setTimeout('CompScr_2()', TempSpeed)
    }
}

function picrun_ini2() {
//    GetObj2("List2_2").innerHTML = GetObj2("List1_2").innerHTML;
//    GetObj2('ISL_Cont_2').scrollTop = fill_2 >= 0 ? fill_2 : GetObj2('List1_2').scrollHeight - Math.abs(fill_2);
//    GetObj2("ISL_Cont_2").onmouseover = function () {
//        clearInterval(AutoPlayObj_2)
//    }
//    GetObj2("ISL_Cont_2").onmouseout = function () {
//        AutoPlay_2()
//    }
//    AutoPlay_2();
}