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Thread: Help with the Image Loader/Slideshow scripts

  1. #1
    Join Date
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    Wink Help with the Image Loader/Slideshow scripts

    1) Script Title: Ultimate Fade-In Slideshow (v1.51) / Preload Image (w/ progress bar) script II

    2) Script URL (on DD): slideshow script / imageloader

    3) Describe problem:

    Hi, I am going to put a new layout on my website, with an animated banner, using the slide show script. There are 21 images, and they are all 1000pxwidth, so I wanted to use the image loader script, as loading all them images takes a while and thre sometime ends up blank screen on the animation, when one hasnt loaded.

    I put both scripts onto the page, and I think it has worked. I would wondered if someone would be able to check my code to see if it's correct.

    Code:
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
    <head>
    <title>Documento sin t&iacute;tulo</title>
    <script language="javascript" src="progressbar.js">
    
    /*
    Preload Image (w/ progress bar) script II (By BGAudioDr@aol.com, http://www.bgaudiodr.iwarp.com/)
    Script featured on Dynamicdrive.com
    For full source, TOS, and 100's more DHTML scripts, visit http://www.dynamicdrive.com
    */
    
    </script>
    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
    <script type="text/javascript">
          
    /***********************************************
    * Ultimate Fade-In Slideshow (v1.51):  Dynamic Drive (http://www.dynamicdrive.com)
    * This notice MUST stay intact for legal use
    * Visit http://www.dynamicdrive.com/ for this script and 100s more.
    ***********************************************/
     
    var fadeimages=new Array()
    //SET IMAGE PATHS. Extend or contract array as needed
    fadeimages[0]=["/wp-content/themes/brown/h01.jpg", "", ""] //image with link and target syntax
    fadeimages[1]=["/wp-content/themes/brown/h02.jpg", "", ""] //image with link and target syntax
    fadeimages[2]=["/wp-content/themes/brown/h03.jpg", "", ""] //image with link and target syntax
    fadeimages[3]=["/wp-content/themes/brown/h04.jpg", "", ""] //image with link and target syntax
    fadeimages[4]=["/wp-content/themes/brown/h05.jpg", "", ""] //image with link and target syntax
    fadeimages[5]=["/wp-content/themes/brown/h06.jpg", "", ""] //image with link and target syntax
    fadeimages[6]=["/wp-content/themes/brown/h07.jpg", "", ""] //image with link and target syntax
    fadeimages[7]=["/wp-content/themes/brown/h08.jpg", "", ""] //image with link and target syntax
    fadeimages[8]=["/wp-content/themes/brown/h09.jpg", "", ""] //image with link and target syntax
    fadeimages[9]=["/wp-content/themes/brown/h10.jpg", "", ""] //image with link and target syntax
    fadeimages[10]=["/wp-content/themes/brown/h11.jpg", "", ""] //image with link and target syntax
    fadeimages[11]=["/wp-content/themes/brown/h12.jpg", "", ""] //image with link and target syntax
    fadeimages[12]=["/wp-content/themes/brown/h13.jpg", "", ""] //image with link and target syntax
    fadeimages[13]=["/wp-content/themes/brown/h14.jpg", "", ""] //image with link and target syntax
    fadeimages[14]=["/wp-content/themes/brown/h15.jpg", "", ""] //image with link and target syntax
    fadeimages[15]=["/wp-content/themes/brown/h16.jpg", "", ""] //image with link and target syntax
    fadeimages[16]=["/wp-content/themes/brown/h17.jpg", "", ""] //image with link and target syntax
    fadeimages[17]=["/wp-content/themes/brown/h18.jpg", "", ""] //image with link and target syntax
    fadeimages[18]=["/wp-content/themes/brown/h19.jpg", "", ""] //image with link syntax
    fadeimages[19]=["/wp-content/themes/brown/h20.jpg", "", ""] //image with link and target syntax
    fadeimages[20]=["/wp-content/themes/brown/h21.jpg", "", ""] //image with link and target syntax
    
    var fadebgcolor="black"
    
    ////NO need to edit beyond here/////////////
     
    var fadearray=new Array() //array to cache fadeshow instances
    var fadeclear=new Array() //array to cache corresponding clearinterval pointers
     
    var dom=(document.getElementById) //modern dom browsers
    var iebrowser=document.all
     
    function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){
    this.pausecheck=pause
    this.mouseovercheck=0
    this.delay=delay
    this.degree=10 //initial opacity degree (10%)
    this.curimageindex=0
    this.nextimageindex=1
    fadearray[fadearray.length]=this
    this.slideshowid=fadearray.length-1
    this.canvasbase="canvas"+this.slideshowid
    this.curcanvas=this.canvasbase+"_0"
    if (typeof displayorder!="undefined")
    theimages.sort(function() {return 0.5 - Math.random();}) //thanks to Mike (aka Mwinter) :)
    this.theimages=theimages
    this.imageborder=parseInt(borderwidth)
    this.postimages=new Array() //preload images
    for (p=0;p<theimages.length;p++){
    this.postimages[p]=new Image()
    this.postimages[p].src=theimages[p][0]
    }
     
    var fadewidth=fadewidth+this.imageborder*2
    var fadeheight=fadeheight+this.imageborder*2
     
    if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox)
    document.write('<div id="master'+this.slideshowid+'" style="position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>')
    else
    document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>')
     
    if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox
    this.startit()
    else{
    this.curimageindex++
    setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay)
    }
    }
    
    function fadepic(obj){
    if (obj.degree<100){
    obj.degree+=10
    if (obj.tempobj.filters&&obj.tempobj.filters[0]){
    if (typeof obj.tempobj.filters[0].opacity=="number") //if IE6+
    obj.tempobj.filters[0].opacity=obj.degree
    else //else if IE5.5-
    obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"
    }
    else if (obj.tempobj.style.MozOpacity)
    obj.tempobj.style.MozOpacity=obj.degree/101
    else if (obj.tempobj.style.KhtmlOpacity)
    obj.tempobj.style.KhtmlOpacity=obj.degree/100
    else if (obj.tempobj.style.opacity&&!obj.tempobj.filters)
    obj.tempobj.style.opacity=obj.degree/101
    }
    else{
    clearInterval(fadeclear[obj.slideshowid])
    obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1"
    obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas)
    obj.populateslide(obj.tempobj, obj.nextimageindex)
    obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0
    setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay)
    }
    }
     
    fadeshow.prototype.populateslide=function(picobj, picindex){
    var slideHTML=""
    if (this.theimages[picindex][1]!="") //if associated link exists for image
    slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'
    slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'
    if (this.theimages[picindex][1]!="") //if associated link exists for image
    slideHTML+='</a>'
    picobj.innerHTML=slideHTML
    }
     
     
    fadeshow.prototype.rotateimage=function(){
    if (this.pausecheck==1) //if pause onMouseover enabled, cache object
    var cacheobj=this
    if (this.mouseovercheck==1)
    setTimeout(function(){cacheobj.rotateimage()}, 100)
    else if (iebrowser&&dom||dom){
    this.resetit()
    var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
    crossobj.style.zIndex++
    fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50)
    this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0"
    }
    else{
    var ns4imgobj=document.images['defaultslide'+this.slideshowid]
    ns4imgobj.src=this.postimages[this.curimageindex].src
    }
    this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0
    }
     
    fadeshow.prototype.resetit=function(){
    this.degree=10
    var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
    if (crossobj.filters&&crossobj.filters[0]){
    if (typeof crossobj.filters[0].opacity=="number") //if IE6+
    crossobj.filters(0).opacity=this.degree
    else //else if IE5.5-
    crossobj.style.filter="alpha(opacity="+this.degree+")"
    }
    else if (crossobj.style.MozOpacity)
    crossobj.style.MozOpacity=this.degree/101
    else if (crossobj.style.KhtmlOpacity)
    crossobj.style.KhtmlOpacity=this.degree/100
    else if (crossobj.style.opacity&&!crossobj.filters)
    crossobj.style.opacity=this.degree/101
    }
     
     
    fadeshow.prototype.startit=function(){
    var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas)
    this.populateslide(crossobj, this.curimageindex)
    if (this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER
    var cacheobj=this
    var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid)
    crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}
    crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}
    }
    this.rotateimage()
    }
    
    </script>
    </head>
    
    <body>
    <DIV class="style7" 
    style="LEFT: 0px; WIDTH: 222px; POSITION: absolute; TOP: 0px; HEIGHT: 85px"> 
     
      <div align="left"> <script type="text/javascript">
    //new fadeshow(IMAGES_ARRAY_NAME, slideshow_width, slideshow_height, borderwidth, delay, pause (0=no, 1=yes),)
    new fadeshow(fadeimages, 1000, 564, 0, 85, 0)
    
    </script>  </div> 
    </DIV>
    </body>
    </html>

  2. #2
    Join Date
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    Default

    I tried your script.

    1: Remove the / from before your images in the array

    Wrong...
    Code:
    fadeimages[0]=["/wp-content/themes/brown/h01.jpg", "", ""]
    Right...
    Code:
    fadeimages[1]=["wp-content/themes/brown/h02.jpg", "", ""]
    2: There does not appear to be enough time to load the images
    Code:
    new fadeshow(fadeimages, 1000, 564, 0, 85, 0)
    When I changed the 85 to 850 (.85 second) it worked straight away, tryed it on my own server. Trying to change images too fast, they never get cached.

  3. #3
    Join Date
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    Default

    Thank you so much for the help. I didn't actually write that code, so I'll make sure the person who did correct themselves in the future.

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