// Function that sets the mouseover and mouseout functions
// for each LI in the main nav

function ExpandMenu()
{ 
   var i, k, dropdownbar, thisClass, liTag, regEx = /\s*navhover/, number = '', liclass, csClass = 'navhover', dropdownid = 'dropdownbar';
 
   for(i = 0; i < 10; i++)
   {
      dropdownbar = document.getElementById(dropdownid + number);
      
      if (dropdownbar)
      {
         liTag = dropdownbar.getElementsByTagName("li");
           
         if (liTag)
         {
            for (k = 0; k < liTag.length; k++)
            {  
               liTag[k].onmouseover = function()
               {
                  liclass = this.className;
                  thisClass = (liclass) ? liclass + ' ' + csClass : csClass;
                  this.className = thisClass;
               };
              
               liTag[k].onmouseout = function()
               {
                  liclass = this.className;
                  this.className = (liclass) ? liclass.replace(regEx,'') : '';
               };
            }
         }
      }
     
      number = i + 1;
   }
}