var curcontentindex=0;
    var messages=new Array();
    var pause = false;

    function getElementByClass(classname)
    {
        var inc=0
        var alltags=document.all? document.all : document.getElementsByTagName("*")
        for (i=0; i<alltags.length; i++)
        {
            if (alltags[i].className==classname)
            messages[inc++]=alltags[i]
        }
    }

    function prev()
    {
        if (!pause) pauseRotation();
        curcontentindex=(curcontentindex==0)? messages.length-1 : curcontentindex-1
        prevcontentindex=(curcontentindex<messages.length-1)? curcontentindex+1 : 0
        messages[prevcontentindex].style.display="none" //hide previous message
        messages[curcontentindex].style.display="block" //show current message
    }
    function next()
    {
        if (!pause) pauseRotation();
        curcontentindex=(curcontentindex<messages.length-1)? curcontentindex+1 : 0
        prevcontentindex=(curcontentindex==0)? messages.length-1 : curcontentindex-1
        messages[prevcontentindex].style.display="none" //hide previous message
        messages[curcontentindex].style.display="block" //show current message
    }
    function rotatecontent()
    {
        if (!pause)
        {
            curcontentindex=(curcontentindex<messages.length-1)? curcontentindex+1 : 0
            prevcontentindex=(curcontentindex==0)? messages.length-1 : curcontentindex-1
            messages[prevcontentindex].style.display="none" //hide previous message
            messages[curcontentindex].style.display="block" //show current message
        }
    }

    function pauseRotation()
    {
        if(pause)
        {
            pause = false;
            document.getElementById("spanpause").innerHTML = "|| Pause";
        }
        else
        {
            pause = true;
            document.getElementById("spanpause").innerHTML = "|> Play";
        }
    }