// Check for Internet Exploder and version
var DrsIE = false;
var DrsIEver = 0;
if (navigator.appName == 'Microsoft Internet Explorer') {
  DrsIE = true;
  var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
  if (re.exec(navigator.userAgent) != null) DrsIEver = parseFloat( RegExp.$1 );
  }