// JavaScript Document
userAgent = navigator.userAgent.toLowerCase();
isIE     = ((userAgent.indexOf("msie") != -1) && (userAgent.indexOf("opera") == -1));
isOpera  = (userAgent.indexOf("opera") != -1);
isMac     = (userAgent.indexOf("mac") != -1);
isMacIE = (isIE && isMac);
isWinIE = (isIE && !isMac);
isSafari = (userAgent.indexOf("safari") != -1);
isGecko  = (navigator.product == "Gecko" && !isSafari);

getAbsOffsetTop = function( element ) {
  var offset = 0;
  var ele = element;
  var sl = (window.pageYOffset ? window.pageYOffset : document.body.scrollTop);
  do { offset += ele.offsetTop; ele = ele.offsetParent; } while (ele!=null && ele.style.position !="relative" && ele.style.position!="absolute" && (ele.style.position!="fixed"))
  return offset;
};

getAbsOffsetLeft = function( element ) {
  var offset = 0; 
  var ele = element;
  var sl = (window.pageXOffset ? window.pageXOffset : document.body.scrollLeft);
  do { offset += ele.offsetLeft; if (ele.style.position=='fixed') { offset+=sl }; ele = ele.offsetParent; } while (ele!=null)
  return offset;
};