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Author: Joachim Schnier | Website: http://www.cancerinform.net/

The Preloader

Most users still have modems so we have to preload the slides to have them ready when buttons are pushed. We make a preload function here

//function to preload slides
function loadAll(firstSlide,lastSlide,slideName,introSlide){
   for (j=1;j<=lastSlide;j++) {
//use duplicateMovieClip here instaed of createEmptyMovieClip
    duplicateMovieClip (_root.slideHolder, "pic_"+j, j);  
//make the slides invisible not to see the loading  
	setProperty ("pic_"+j, _alpha, (0));
//load slides into slideholder_1 and make it invisible not to see the loading
setProperty("slideHolder_1",_alpha, (0));  
//here we load an introduction slide
To monitor the loading we attach the following script to slideHolder_1.
    if(this._url != _root._url && !loaded) {
        // calculate size of pics in kilobytes
        var kilobytes = Math.ceil(this.getBytesTotal()/1024);
        // calculate percent loaded
        var percentLoaded = Math.ceil((this.getBytesLoaded()/this.getBytesTotal()) * 100);
        // show loading message
        _root.percentOutput = "loading " + percentLoaded + "% of " + kilobytes + "k";
        //show text loading slides
		if(percentLoaded == 100){
             //loading terminated
             loaded = true; 
             _root.percentOutput = "Ready";

» Level Intermediate

Added: 2002-06-29
Rating: 6 Votes: 65
(10 being the highest)
» Author
The author is a basic scientist doing cancer research.
» Download
Download the files used in this tutorial.
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