function ShowMenu(menuNumber, totalMenus)
{
    var i, element;
    for (i = 1; i <= totalMenus; i++)
    {
        // Find menu option
        element = document.getElementById('ctl00_ContentPlaceHolder1_option' + i);
        if (element != null)
        {
            element.setAttribute("class", "option"); 
            element.setAttribute("className", "option"); 
        }
        
        // Find menu 
        element = document.getElementById('ctl00_ContentPlaceHolder1_menu' + i);
        if (element != null)
            element.style.display = 'none';
    }   
   
    // Show selected menu
    element = document.getElementById('ctl00_ContentPlaceHolder1_option' + menuNumber)
    if (element != null)
    {
        element.setAttribute("class", "selectedoption"); 
        element.setAttribute("className", "selectedoption"); 
    }
    
    element = document.getElementById('ctl00_ContentPlaceHolder1_menu' + menuNumber)
    if (element != null)
        element.style.display = 'block';   
}