// JScript File
activateMenu = function(nav) {

/* currentStyle restricts the Javascript to IE only */
	if (CheckForCrapBrowser())
    {  
        var navroot = document.getElementById(nav);
        
        /* Get all the list items within the menu */

        var lis=navroot.getElementsByTagName("LI");  
        for (i=0; i<lis.length; i++) {
        
           /* If the LI has another menu level */
            if(lis[i].lastChild.tagName=="UL"){
            
                /* assign the function to the LI */
             	lis[i].onmouseover=function() {	
                
                   /* display the inner menu */
                   this.lastChild.style.display="block";
                }
                lis[i].onmouseout=function() {   
                   this.lastChild.style.display="none";
                }
            }
        }
    }
}
window.onload= function(){
    /* pass the function the id of the top level UL */
    /* remove one, when only using one menu */
    activateMenu('nav'); 

}

// Check for rubbish browsers.
function CheckForCrapBrowser()
{
    if ((document.all && document.getElementById) && (navigator.appVersion.indexOf('MSIE 7') == -1))
    {
        return true;
    }
    else
    {
        return false;
    }                

}// function CheckForCrapBrowser()