function hidediv(div) { 
        document.getElementById(div).style.display = 'none';
    } 
    function showdiv(div) { 
        hideSubMenu();
        document.getElementById(div).style.display = 'block';
        }
        
    var menu = [];
        menu[0] = "subMenuHome";
        menu[1] = "subMenuAbout";
        menu[2] = "subMenuWarehouse";
        menu[3] = "subMenuTransportation";
        menu[4] = "subMenuLogistics";
        menu[6] = "subMenueasements";
    
     function hideSubMenu() { 
        for (i=0;i<menu.length;i++)
        {
            hidediv(menu[i]);
        }
     } 
     function hideEntireSubMenu()
     {
        hideSubMenu();
        document.getElementById("subMenuBackground").style.display='none';
     }
    function mouseLeaves (element, evt) {
        if (typeof evt.toElement != 'undefined' && typeof element.contains != 'undefined') {
        return !element.contains(evt.toElement);
        }
        else if (typeof evt.relatedTarget != 'undefined' && evt.relatedTarget) {
            return !contains(element, evt.relatedTarget);
        }
    }

    function contains (container, containee) {
        while (containee) {
            if (container == containee) {
                return true;
            }
            containee = containee.parentNode;
         }
         return false;
    }
    
    function ChangeClass(eleID,cssClassName)
    {
        var chEle = document.getElementById(eleID);
        chEle.setAttribute("class",cssClassName); 
        chEle.setAttribute("className",cssClassName);
        return;
    }
    function ResetMenuClasses()
    {
        var mi =[];
        var cc =[];
        
        mi[0] = "menuHome";
        cc[0] = "Left";
        mi[1] = "menuAbout";
        cc[0] ="";
   
        
        for(i=0;i<mi.length;i++)
        {
            ChangeClass(mi[i],cc[i]);
        }        
    }
    

    function hideElement (element) {
        if (element.style) {
            element.style.visibility = 'hidden';
        }
     }

    function showElement (element) {
        if (element.style) {
            element.style.visibility = 'visible';
        }
     }

    function ImagePreload()
    {
        images = new Array();
        alert("testing");
        images[0] = "quick_links_arrow_right.gif";
        images[1] = "mainmenu_button_on_backgrou.gif";
       
        
        for (var i=0;i<images.length;i++)
        {
            objImage = new Image();
            objImage.src =  "/images/" + images[i];
        }
    }