/*
 * 
 * Part of article How to detect screen size and apply a CSS style
 * http://www.ilovecolors.com.ar/detect-screen-size-css-style/
 *
 */

$(window).resize(setWidth);
$(document).ready(setWidth);

function setWidth() {
var de = document.documentElement;
var w = (window.innerWidth || (de && de.clientWidth)|| document.body.clientWidth) < 1550 ?"alt":"main";
$("#ad1").attr( "className", w + "Peekaboo" );
$("#ad2").attr( "className", w + "Peekaboo" );
}