var keep;

activateMenu = function(nav) {
    if(document.all && document.getElementById(nav).currentStyle){
        // only MSIE supports document.all
        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++){
            // don't want to overwrite any existing mouse over or mouse out evets
            lis[i].oldonmouseover = lis[i].onmouseover;
            lis[i].oldonmouseout = lis[i].onmouseout;

            // If the LI has other menu levels
            var myChildren=lis[i].children;
            for(j=0;j<myChildren.length;j++){
                if(myChildren[j].tagName=="UL"){
                    // assign the function to the LI
                    lis[i].onmouseover=function(evt){
                        // display the inner menu
                        if(this.oldonmouseover){
                            this.oldonmouseover(evt);
                        }
                        this.lastChild.style.display="block";
                    }
                    lis[i].onmouseout=function(evt){
                        if(this.oldonmouseout){
                            this.oldonmouseout(evt);
                        }
                        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('vacationmenu');
    activateMenu('investmentmenu');
    activateMenu('cabinownersmenu');
    
    // design-directions.html needs to have each activateMenu(''); in the onload function in the
    // html because of the google map item.
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0

var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_switchImage() { //v3.0

var keep=22;
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
if (keep!=22) {var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;}
}