var div = null;
var i = 0;
var message = null;

function write()
{
    if ( i < message.length)
    {
        div.firstChild.nodeValue =
            div.firstChild.nodeValue + message.charAt(i);
        i++;
    }
    setTimeout("write()", 100);
}

function typeWrite(elementId, message)
{
    this.div = document.getElementById(elementId);
    this.message = message;
    write();
}