function createCookie(name,value,days) { if (days) { var date = new Date(); date.setTime(date.getTime()+(days*24*60*60*1000)); var expires = "; expires="+date.toGMTString(); } else var expires = ""; document.cookie = name+"="+value+expires+"; path=/"; } function readCookie(name) { var nameEQ = name + "="; var ca = document.cookie.split(';'); for(var i=0;i < ca.length;i++) { var c = ca[i]; while (c.charAt(0)==' ') c = c.substring(1,c.length); if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length); } return null; } function eraseCookie(name) { createCookie(name,"",-1); } var x = readCookie('wg_cookie'); var height = '55px'; if (screen.width < 400) { height = '200px'; } else if (screen.width < 480) { height = '150px'; } else if (screen.width < 768) { height = '100px'; } else if (screen.width < 1600) { height = '80px'; } if (! x) { createCookie('wg_cookie',1,365); document.write(''); }