var myTimer = 0;
function fade_product(title) {
	if (title != null) {
		url = '/images/' + title + '_grey.jpg';
		var tester=new Image();
		tester.onLoad=imgShow(url);
    		tester.src = url;
	} else {
		myTimer = imgHide.delay(250);
	}
}

function imgShow(img) {
	myTimer = $clear(myTimer);
	$('img_preview').setProperty('src', img);
	//$('img_preview').fade(1);
}

function imgHide() {
	//$('img_preview').fade(0);
	$('img_preview').setProperty('src', '/images/blank_grey.jpg');
}

function no_img() {
	$('img_preview').setProperty('src', '/images/blank_grey.jpg');
}