// define observers
Event.observe(window, 'load', initList, false);


function initList() {

	var element = $$('body *[width]').invoke('getStyle', 'width');
	var el = $$('body *[width]');
	var el_width = el.invoke('getWidth');


	el.each(function(element) {

		var width_px = element.getWidth();
		var width_em = width_px*0.0834;

		if (element.getAttribute('src') != 'img/spacer.gif') {

			element.setStyle({
			  'width': width_em+'em',
				  'height':'auto'
			});

		}

});


}