//<!--

function AddCSSClass (element, className)
    {
        try
        {
            var oldCSSClassValue = element.className.toUpperCase()

            if ( oldCSSClassValue.indexOf(className.toUpperCase()) ==-1 )
                {element.className = element.className + ' ' + className}
        }
        catch (ex)
            { }
    }
                
//-----------------------------------------------------------------------------
                     
function RemoveCSSClass (element, className)
    { 
    try
    { element.className = element.className.replace (className,''); }
     catch (ex)
        { }
    }


//-----------------------------------------------------------------------------
    
function ToggleCSSClass (element, className)
    {
    try
        {
            if ( element.className.toUpperCase().indexOf(className.toUpperCase()) ==-1 )
                { AddCSSClass (element,className); }
            else
                { RemoveCSSClass (element, className) }
        }
        catch (ex)
            { }
    }
//-->