/******************************************
* if browser not optimal throw warning
*******************************************/
// if I.E. 6 or less
window.addEvent('domready', function() {
	if (Browser.Engine.trident && (Browser.Engine.version <= 4)) {
	
	// replace all img .png with .gif version
	var imgs = $(document.body).getElements('img[src*=.png]');
	
	imgs.each(function(item, index){
		src = item.getProperty('src');
		name = src.split('.')[0];
		ext = src.split('.')[1];
		item.setProperty('src',name + '.gif');
		//alert('Your are using an older browser, your experience will not be optimial');
		});
	}

});