var nTimerID = 0;   //global timer ID
var nDex = 1;
var sHeader = "<span style=\"font:32px Algerian;\">B</span>";
var sVerse = "ut speaking the truth in love, may grow up into him all things, which is the head, even Christ;";
var sRef = "<div style='font: bold 24px Algerian; text-align:center;'>Ephesians 4:15</div>";
var sMsg = sHeader;

function fnTypeMessage()
{
    document.getElementById("divMsg").innerHTML = sHeader;
    nTimerID = setInterval("fnShowChars()", 50);
}

function fnShowChars()
{
    document.getElementById("divMsg").innerHTML = sMsg + sVerse.substring(0, nDex); 
    if( nDex >= sVerse.length)
    {
        clearInterval(nTimerID);
        document.getElementById("divMsg").innerHTML += sRef; 
    }
    else
    {
        nDex++;
    }
}