var DetectImageState = {
    version: '1.0'
	, imagesDisabled: true
	, inserted_id: 'detectimagestate-test-img'
	, callback: function() { }
	, ie_detectionComplete: false
	, img: null
	, ie_Timeout: 100

	, init: function(testerimg, cb) {
	    this.callback = cb;

	    document.body.innerHTML += '<img id="' + this.inserted_id + '" style="visibility:hidden; position:absolute;left:-1000px;" src="' + testerimg + '?' + Math.random() + '" alt="" />';
	    this.img = document.getElementById(this.inserted_id);

	    if (window.opera || navigator.userAgent.toLowerCase().indexOf('opera') > -1) {
	        var pre = this.img.complete;
	        this.img.src = 'about:blank';
	        this.imagesDisabled = (!pre && this.img.complete) ? false : true;
	        DetectImageState.callback(this.imagesDisabled);
	        return;
	    } else if (typeof this.img.readyState != 'undefined') {
	        this.img.src = this.img.src + '?' + Math.random();
	        this.img.onabort = function() {
	            DetectImageState.ie_detectionComplete = true;
	            DetectImageState.imagesDisabled = false;
	            DetectImageState.callback(DetectImageState.imagesDisabled);
	        };

	        setTimeout('if(!DetectImageState.ie_detectionComplete) DetectImageState.callback(DetectImageState.imagesDisabled);', this.ie_Timeout);
	        return;
	    } else {
	        this.imagesDisabled = this.img.complete;
	        DetectImageState.callback(this.imagesDisabled);
	        return;
	    }
	}
};