navHover = function() {
  var lis = document.getElementById("navmenu").getElementsByTagName("LI");
  for (var i=0; i<lis.length; i++) {
    lis[i].onmouseover=function() {
      this.className+=" iehover";
    }
    lis[i].onmouseout=function() {
      this.className=this.className.replace(new RegExp(" iehover\\b"), "");
    }
  }
}
if (window.attachEvent) window.attachEvent("onload", navHover);


function getIEVersion()

// Returns the version of Internet Explorer or a -1

// (indicating the use of another browser).

{

var rv = -1; // Return value assumes failure

if (navigator.appName == 'Microsoft Internet Explorer')

{

var ua = navigator.userAgent;

var re = new RegExp("MSIE ([0-9]{1,}[.0-9]{0,})");

if (re.exec(ua) != null)

rv = parseFloat( RegExp.$1 );

}

return rv;

}