function ImagePreloader(images, callback){
			this.callback = callback;
			this.nLoaded = 0;
			this.nProcessed = 0;
			this.aImages = new Array();
			this.nImages = images.length;
			for(var i = 0; i < images.length; i++){
				this.preload(images[i]);
				}
		}
		ImagePreloader.prototype.preload = function(image){
			var oImage = new Image();
			this.aImages.push(oImage);
			oImage.onload = ImagePreloader.prototype.onload;
			oImage.onerror = ImagePreloader.prototype.onerror;
			oImage.onabort = ImagePreloader.prototype.onabort;
			oImage.oImagePreloader = this;
			oImage.bLoaded = false;
			oImage.src = image;
		};
		ImagePreloader.prototype.onComplete = function(){
			this.nProcessed++;
			if(this.nProcessed == this.nImages){
				this.callback(this.aImages, this.nLoaded);
			}
		};
		ImagePreloader.prototype.onload = function(){
			this.bLoaded = true;
			this.oImagePreloader.nLoaded++;
			this.oImagePreloader.onComplete();
		};
		ImagePreloader.prototype.onerror = function(){
			this.bError = true;
			this.oImagePreloader.onComplete();	
		};
		ImagePreloader.prototype.onabort = function(){
			this.bAbort = true;
			this.oImagePreloader.onComplete();
		};