var oitapchars = 90;//maxcharacters to display
var oitapspeed = 100;//milliseconds between taps
var oitappause = 1000;//milliseconds to pause between new strings
var oitapwriter = 0;

function oitapadvance(){
if((oitapcounter + 1) == oitaparray.length){
oitapcounter = 0;
}else{
oitapcounter++;
}
oitaplink = oitaparray[oitapcounter][1];
setTimeout('oitapwrite()',oitappause);
}

function oitapwrite(){
if(typeof(oitaparray) != "undefined"){ 
var oitapstring = oitaparray[oitapcounter][0];
if(oitapwriter > oitapstring.length){
oitapwriter = 0;
oitapadvance();
}else{
oitapwriter++;
var oitapstart = 0;
if(oitapwriter > oitapchars){
oitapstart = oitapwriter - oitapchars;
}
var oitapsub = oitapstring.substring(oitapstart,oitapwriter);
document.getElementById('oitapwrapper').innerHTML = oitapsub;
setTimeout('oitapwrite()',oitapspeed);
}
}
}