function cloud(ul_element, max_font, min_font, reducer) {
	if(!reducer) { reducer=10; }
	if(!min_font) { min_font=0.8; }
	$(ul_element+" li").each(function() {
		val = ($(this).attr('value')/reducer);
		if(max_font && max_font < val) { val = max_font; }
		if(val < min_font) { val = min_font; }
		$(this).css("fontSize", val+"em");
	});
	$(ul_element).append('<p class="cleaner">&nbsp;</p>');
}