window.onload = resizeIfOdd;
window.onresize = forceSafariEven;

function resizeIfOdd(){
if(navigator.userAgent.indexOf('Safari') != -1)
 if(document.documentElement.clientWidth % 2 == 1)
  window.resizeBy(-1,0);
};

function forceSafariEven(){
 window.setTimeout('resizeIfOdd()',5);
};