var wrapperWidth = 720;

/* *****************************************************************************
 ------------------------ DO NOT EDIT BEYOND THIS POINT ------------------------
***************************************************************************** */

function fixGecko() {
 var w = ((document.getElementById('tpl-wrapper').clientWidth > wrapperWidth) ?
          document.getElementById('tpl-wrapper').clientWidth : wrapperWidth);

 var rShift = (window.innerWidth - w) / 2;
 if(rShift < 0) rShift = 0;

 document.getElementById('tpl-wrapper').style.position = "relative";
 document.getElementById('tpl-wrapper').style.left = rShift + "px";
}

var agent = navigator.userAgent.toLowerCase();
if (agent.indexOf('gecko') > -1) {
  var preCenterOnLoad = window.onload;
  window.onload = function() {
    if (preCenterOnLoad) preCenterOnLoad();
    fixGecko();
  }
}