function ShowIt(page, tag)
{
    var i = 1;
    var el;
    while (el = document.getElementById(tag + i)) {
        if (i == page)
            el.style.display = 'block';
        else
            el.style.display = 'none';
        i++;
    }
}

function ShowItRandom()
{
var randomnumber=Math.floor(Math.random()*6)+1;
ShowIt(randomnumber,'blurb');
}