window.addEvent('domready', function() {

function SetArabesque() {
var WinSize = window.getSize().x;
if (WinSize > 900) $('arabesque').fade('in');
else 
$('arabesque').fade('out');
};

var timer;
SetArabesque();

window.addEvent('resize', function(){
  $clear(timer);
  timer = (function(){
SetArabesque();
  }).delay(150);
});

});