function switchClassByCookie(elementId,className)
{
    if(readCookie(elementId) == 0)
    {
	    document.getElementById(elementId).className += " "+className;
	    createCookie(elementId,1,365)
    }
    else
    {
        document.getElementById(elementId).className = document.getElementById(elementId).className.replace(className,"")
	    createCookie(elementId,0,365)
    }    
}

function displayClassByCookie(elementId,className)
{
    if(readCookie(elementId) == 1)
    {
	    document.getElementById(elementId).className += " "+className;
	    createCookie(elementId,1,365)
    }
    else
    {
        document.getElementById(elementId).className = document.getElementById(elementId).className.replace(className,"")
        createCookie(elementId,0,365)
    }    
}