imageplayer.js

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            nextImg = curImg+1; 
            if(curImg==(numImgs-1)) 
            { 
                nextImg = 0; 
            } 
            if(curImg+1>numImgs) 
            { 
                nextImg = nextImg-numImgs; 
            } 
        } 
        strIn = "<span style='WIDTH: 75px; HEIGHT: 75px'>"+strA+"</span>&nbsp;&nbsp;"; 
        //strIn = strIn.replace("/b_","/s_"); 
        divStr += strIn; 
    } 
    document.getElementById("div1").innerHTML = divStr; 
    if(!bFirst) 
    { 
        if (browserCanBlend) 
        { 
            var divTrans = '&nbsp;选择效果：&nbsp;<select name="transitionType" size=1  onchange="change_transition()" ><option value=15 selected>随机显示</option> <option value=0 >混合效果</option> <option value=1 >百叶窗</option> <option value=2 >棋盘效果</option> <option value=3 >斜式效果</option> <option value=4 >开门见山</option> <option value=5 >擦除效果</option> <option value=6 >虹式效果</option> <option value=7 >风车效果</option> <option value=8 >波纹荡漾</option> <option value=9 >时钟转动</option> <option value=10 >雨丝效果</option> <option value=11 >滑动方式</option> <option value=12 >雪花显示</option> <option value=13 >盘旋收缩</option> <option value=14 >伸展方式</option> </select> '; 
            document.getElementById("div2").innerHTML = divTrans; 
        } 
        bFirst = true; 
    } 
     
    return true; 
} 
  
function GetBorder(i,j) 
{ 
    if(i==j) 
        return "  class=uimgSlide "; 
    return " border=0 "; 
  
} 
  
function ScaleImage(i) 
{ 
    // calculate the remaining avaialble width and height 
    var iAvailableWidth = 60;//span.clientWidth;; 
    var iAvailableHeight = 60;//span.clientHeight; 
    // calculate the scale to use for the image. Note, the image 
    // will never be stretched beyond it's actual width and height, 
    // and thus the scale max is 1 
    //iFullImageWidth = imageWidthArray[i]; 
    //iFullImageHeight = imageHeightArray[i]; 
    var flScale = Math.min(    1,Math.min((iAvailableWidth /iFullImageWidth),(iAvailableHeight /iFullImageHeight))); 
    // set the width of the image 
    var width = iScaledImageWidth = Math.round(iFullImageWidth * flScale); 
    // set the height of the image 
    var height = iScaledImageHeight = Math.round(iFullImageHeight * flScale); 
    // center the image by adjusting it's left and top values 
    var iLeft = Math.floor((iAvailableWidth - iScaledImageWidth) / 2); 
    var iTop = Math.floor((iAvailableHeight - iScaledImageHeight) / 2); 
    var style="style='HEIGHT: "+height+"; WIDTH: "+width+"'"; 
    return style; 
  
} 
  
function change_transition() 
{ 
    current_transition = document.all.transitionType.selectedIndex; 
    //alert(current_transition); 
    if(current_transition == 0) 
        current_transition = 15; 
    else 
        current_transition--; 
} 
  
function imgLoadNotify() 
{ 
    imgIsLoaded = true; 
} 
  
function GetChecked() 
{ 
    flag = !flag; 
} 
  
function changeSlide(n) 
{ 
    if (document.all) 
    {         
        /* transistion effects */ 
        if (browserCanBlend) 
        { 
            var do_transition; 
            //alert(current_transition); 
            if (current_transition == (transition_count)) 
            { 
                do_transition = Math.floor(Math.random() * transition_count); 
            } 
            else 
            { 
                do_transition = current_transition; 
            } 
            document.all.imgp.style.filter=transitions[do_transition]; 
            document.all.imgp.filters[0].Apply(); 
        } 
        else 
        { 
            document.all.imgp.style.filter="blendTrans(duration=1)"; 
            document.all.imgp.filters.blendTrans.Apply(); 
        } 
         
    } 
    if(n>=0) 
    { 
        curImg = n;         
        var s = document.getElementById("div1").innerHTML; 
        var sID = "id="+n; 
        var astrItems = s.split("&nbsp;"); 
        var iItemSep; 
        var str; 
        var strInner = ""; 
        for (var i=0; i < astrItems.length; i++) 
        { 
            str = astrItems[i]; 
             
            if(str.indexOf("class=uimgSlide") != -1) 
            { 
                if(str.indexOf(sID) == -1) 
                { 
                    str = str.replace("class=uimgSlide", "border=0"); 
                } 
            }     
            if(str.indexOf(sID) != -1) 
            { 
                str = str.replace("border=0", "class=uimgSlide"); 
            } 
            strInner += str+"&nbsp;"; 
        } 
        document.getElementById("div1").innerHTML = strInner; 
         
    } 
    imgIsLoaded = false; 
     var htmlCont = "<center>" + "<a href=\""+ImageSrcArray[curImg]+"\" target='_blank' title='点击查看图片详细信息'><img src=\"" + ImageSrcArray[curImg] + "\" alt=\"" + imageIDsArray[curImg] + "\""; 
     
   //if (imageWidthArray[curImg] > 0 && imageHeightArray[curImg] > 0) 
   // { 
   //     htmlCont += (imageHeightArray[curImg]>330)?" height=330":" width=" + imageWidthArray[curImg] + " height=" + imageHeightArray[curImg];         
   // }   
    htmlCont += " border=0 hspace=10 vspace=10   class=uimg  onload=\"imgLoadNotify();\">" + "</a>"; 
     
    var a = flag?("<br><span class=yphsmhdr>" + imageIDsArray[curImg] + "</span></center>"):""; 
    htmlCont +=a; 
    var pnumLine = "<span >"; 
    pnumLine += replaceNum(SHOWINGSTRING, "@ImageNum@", eval(curImg+1)); 
    pnumLine += "</span >"; 
    document.getElementById("pnumDiv").innerHTML = pnumLine; 
    document.getElementById("imgp").innerHTML = htmlCont; 
    if (document.all) 
    {             
        document.all.imgp.filters[0].Play();         
    } 
     
    preloadRange(curImg-4,_PRELOADRANGE); 
} 
  
function forward() 
{ 
    if ((curImg+1) >= numImgs) 
    {             
        curImg = 0; 
        changeSlide(); 
        stop(); 
        //if(isLastPage == "0") 
        //{ 
        //    if(confirm("播放下一组图片？")) 
        //    { 
        //        document.location.href=slideshow_end_url; 
        //    } 
       // }     
        return;         
    } 
     
    imgIsLoaded = false; 
    imgIsLoaded = preloadRange(curImg-4,_PRELOADRANGE); 
     
    if (!arrPreload[curImg+1]) 
    { 
        curImg++; 
         
    } 
    else 
    { 
        curImg++;         
    } 
    changeSlide(); 
} 
  
function rewind() 
{ 
    curImg--; 
    if (curImg < 0) 
    { 
        curImg = numImgs-1; 
        changeSlide(); 
    } 
    else 
        changeSlide(); 
} 
  
function stop() 
{ 
    window.clearInterval(timerId); 
    timerId = -1; 
    document.playbtn.src = buttonImgPfx + buttonOffArray[0]; 
    document.stopbtn.src = buttonImgPfx + buttonOnArray[1]; 
    imgIsLoaded = true; 
} 
  
function play() 
{ 
    interval = speedControl; 
     
    forward(); 
    if (timerId == -1) 
        timerId = window.setInterval('forward();', interval); 
  
    document.playbtn.src = buttonImgPfx + buttonOnArray[0]; 
    document.stopbtn.src = buttonImgPfx + buttonOffArray[1]; 
} 
  
function setButton(direction) 
{ 
    interval = speedControl; 
    if (timerId != -1) { window.clearInterval(timerId); timerId = window.setInterval("forward();", interval); } 
    imgIsLoaded = true; 
    if (direction == 0) 
    { 
        document.prevbtn.src = buttonImgPfx + buttonOnArray[2]; 
        window.setTimeout("document.prevbtn.src = buttonImgPfx + buttonOffArray[2];", 1500); 
    } 
    else 
    { 
        document.fowdbtn.src = buttonImgPfx + buttonOnArray[3]; 
        window.setTimeout("document.fowdbtn.src = buttonImgPfx + buttonOffArray[3];", 1500); 
    } 
}