var overMenuItem;

function showSubMenu(menuItem, bgcolor) {
    if (new String(menuItem.id).split("_")[0] == "item") {
        overMenuItem = menuItem;
    }
    var subMenuItem = document.getElementById("sub" + menuItem.id);
    
    if(subMenuItem != null && subMenuItem != "undefined") {
        subMenuItem.style.display = "";
        menuItem.onClick = "";
    }
    
    menuItem.style.backgroundColor = bgcolor;
    document.body.style.cursor = 'pointer';
    
}

function hideSubMenu(menuItem) {
    overMenuItem = null;
    var subMenuItem = document.getElementById("sub" + menuItem.id);
    
    if(subMenuItem != null && subMenuItem != "undefined") {
    	subMenuItem.style.display = "none";
    }
    
    menuItem.style.backgroundColor = "";
    document.body.style.cursor = 'default';
}

function openMenuURL(URL) {
    window.location=URL;
}

function menuClick(menuItem) {
    var page;
    if(overMenuItem != null && overMenuItem != "undefined") {
        page = new String(overMenuItem.id);
    }else{
        page = menuItem.id;
    }
    page = page.split("_")[1];
    window.location='index.php?page=' + page;
}