// --------------------------------------------------------------------------------------
// Preloader Class v2.0
// by Jonas Galvez (jonasgalvez@uol.com.br)
// --------------------------------------------------------------------------------------

_global.Preloader = function() {
    var args = (arguments[0].length) ? arguments[0] : arguments;
    this.mcTotal = this.total = this.left = 0;
    this.loaded = this._percentage = 0;
    this.movieclips = new Array();
    for(var i = 0; i < args.length; i++) {
        if(args[i] instanceof MovieClip) {
            this.mcTotal += args[i].getBytesTotal();
            this.movieclips[this.movieclips.length] = args[i];
        };
    };
};
ASSetPropFlags(_global, "Preloader", 7);

Preloader.prototype.getBytesTotal = function() { return this.total; };
Preloader.prototype.addProperty("bytesTotal", Preloader.prototype.getBytesTotal, null);
ASSetPropFlags(Preloader.prototype, "getBytesTotal", 7);

Preloader.prototype.getBytesLoaded = function() { return this.loaded; };
Preloader.prototype.addProperty("bytesLoaded", Preloader.prototype.getBytesLoaded, null);
ASSetPropFlags(Preloader.prototype, "getBytesLoaded", 7);

Preloader.prototype.getBytesLeft = function() { return this.left; };
Preloader.prototype.addProperty("bytesLeft", Preloader.prototype.getBytesLeft, null);
ASSetPropFlags(Preloader.prototype, "addMovieClips", 7);

Preloader.prototype.getPercentage = function() { return this._percentage; };
Preloader.prototype.addProperty("percentage", Preloader.prototype.getPercentage, null);
ASSetPropFlags(Preloader.prototype, "percentage", 7);

Preloader.prototype.startPreload = function() {
    if(this.movieclips.length) this._interval = setInterval(this, "_main", 100);
};
ASSetPropFlags(Preloader.prototype, "startPreload", 7);

Preloader.prototype.stopPreload = function() {
    clearInterval(this._interval);
};
ASSetPropFlags(Preloader.prototype, "stopPreload", 7);

Preloader.prototype.hasMovieClip = function(mc) {
    if(mc instanceof MovieClip) {
        for(var i = 0; i < this.movieclips.length; i++) {
            if(this.movieclips[i] == mc) return true;
        };
    };
    return false;
};
ASSetPropFlags(Preloader.prototype, "hasMovieClip", 7);

Preloader.prototype.addMovieClips = function() {
    var args = (arguments[0].length) ? arguments[0] : arguments;
    for(var i = 0; i < args.length; i++) {
        if(args[i] instanceof MovieClip) if(!this.hasMovieClip(args[i])) {
            this.mcTotal += args[i].getBytesTotal();
            this.movieclips[this.movieclips.length] = args[i];
        };
    };
};
ASSetPropFlags(Preloader.prototype, "addMovieClips", 7);

Preloader.prototype.removeMovieClips = function() {
    var args = (arguments[0].length) ? arguments[0] : arguments;
    for(var i = 0; i < args.length; i++) {
        if(!this.hasMovieClip(args[i])) {
            this.mcTotal -= args[i].getBytesTotal();
            for(var j = 0; j < this.movieclips.length; j++) {
                if(this.movieclips[j] == args[i]) this.movieclips.splice(j, 1);
            };
        };
    };
};
ASSetPropFlags(Preloader.prototype, "removeMovieClips", 7);

Preloader.prototype._main = function() {
    this.total = this.loaded = 0;
    for(var j = 0; j < this.movieclips.length; j++) {
        this.total += this.movieclips[j].getBytesTotal();
        this.loaded += this.movieclips[j].getBytesLoaded();
    };
    if(this.total != this.mcTotal) {
        this.left = this.total - this.loaded;
        this._percentage = Math.round(this.loaded*100/this.total);
        this.onPreloadUpdate();
    };
    if(this._percentage == 100) {
        this.onPreloadComplete();
        this.mcTotal = this.total = this.left = 0;
        this.stopPreload();
    };
};
ASSetPropFlags(Preloader.prototype, "_main", 7);

MovieClip.prototype.preloadMovie = function(url, variables) {
    if(variables.length) this.loadMovie(url, variables);
    else this.loadMovie(url);
    return new Preloader(this);
};
ASSetPropFlags(MovieClip.prototype, "preloadMovie", 7);

// --------------------------------------------------------------------------------------
// ENG DTP & Multimídia
// http://www.eng.com.br/
// --------------------------------------------------------------------------------------