<!--///*--><![CDATA[/*><!--*/ 
var div_imgs = document.getElementById("js_F").getElementsByTagName("div"); 
var imgLeft = [0, 25]; //5个图片的初始left值 
var imgWidth = 360; //图片的宽度 
var atf = [true, true]; //5个图片的位置：true为右边，false为左边 
var speed1 =10, speed2 = 2000, mo =200; //速度 
var sTo; 
function jsf_move(n){ 
    clearTimeout(sTo); 
    var thisL; //图片left值 
    if (atf[n]) { //要移动的图片在右边 
        //需移动的图片（包括该图片左边的所有图片）向左边移动) 
        for (var i=0; i<=n; i++) { //当前值-(图片宽度-(当前值-初始值))/速度 
            thisL = parseInt(getStyle(div_imgs[i],"left")); 
            div_imgs[i].style.left = thisL - Math.ceil((imgWidth-(imgLeft[i]-thisL))/mo) + "px"; 
            if (i<n) atf[i] = false; //更改图片的位置状态 
        } 
    } else { //要移动的图片在左边 
        //需移动的图片（包括该图片右边的所有图片）向右边移动) 
        for (var i=1; i>=n; i--) { //当前值+(当前值-初始值)/速度 
            thisL = parseInt(getStyle(div_imgs[i],"left")); 
            div_imgs[i].style.left = thisL + Math.ceil(Math.abs(thisL-imgLeft[i])/mo) + "px"; 
            if (i>n) atf[i] = true; //更改图片的位置状态 
        } 
    } 
    thisL = parseInt(getStyle(div_imgs[n],"left")); 
    if ((atf[n] && thisL>(imgLeft[n]-imgWidth)) || (!atf[n] && thisL<imgLeft[n])) { 
        //当前图片移动未结束，继续移动当前图片 
        sTo = setTimeout(function(){jsf_move(n);}, speed1); 
    } else { 
        //当前图片移动结束，准备移动下一张图片 
        if (n>=0 && atf[n]) { 
            atf[n] = false; 
            sTo = setTimeout(function(){jsf_move(n);}, speed2); 
        } else if (n==0 && !atf[n]) { 
            atf[n] = true; 
            sTo = setTimeout(function(){jsf_move(n);}, speed2); 
        } else if (atf[n]){ 
            atf[n] = false; 
            sTo = setTimeout(function(){jsf_move(++n);}, speed2); 
        } else { 
            sTo = setTimeout(function(){jsf_move(--n);}, speed2); 
        } 
    } 
} 
//判断图片的位置 
function jsf_mmove(n){ 
    clearTimeout(sTo); 
    switch (n){ 
    case 0 : 
        atf[0] = false; 
        jsf_move(0); 

        break; 
    case 1 : 
        if (atf[n-1]) { 
            sTo = setTimeout(function(){jsf_move(n-1);}, speed1); 
        } else if (atf[n]) { 
            atf[n-1] = true; 
            sTo = setTimeout(function(){jsf_move(n-1);}, speed1); 
        } else { 
            sTo = setTimeout(function(){jsf_move(n);}, speed1); 
        } 
        break; 
    case 2 : 
        atf = [false, true]; 
        jsf_move(1); 
        break;     
    } 
} 
window.onload = function(){ 
    sTo = setTimeout("jsf_move(0)",speed2); 
} 
function getStyle( elem, name ) { 
    if (elem.style[name]) { return elem.style[name]; } 
    else if (elem.currentStyle) { return elem.currentStyle[name]; } 
    else if (document.defaultView && document.defaultView.getComputedStyle) { 
        name = name.replace(/([A-Z])/g,"-$1"); 
        name = name.toLowerCase(); 
        var s = document.defaultView.getComputedStyle(elem,""); 
        return s && s.getPropertyValue(name); 
    } 
    else { return null; } 
} 
/*]]>*///-->