BALROD
Aqui tienes el efecto de maquina de escribir que solicitas, espero que te sirva.
<script language="JavaScript1.2">
var it=0
function initialize(){
mytext=typing.innerText
var myheight=typing.offsetHeight
typing.innerText=''
document.all.typing.style.height=myheight
document.all.typing.style.visibility="visible"
typeit()
}
function typeit(){
typing.insertAdjacentText("beforeEnd",mytext.charA t(it))
if (it<mytext.length-1){
it++
setTimeout("typeit()",100)
}
else
return
}
if (document.all)
document.body.onload=initialize
</script>
<small><span id="typing" style="visibility:hidden" align="left">
AQUI PONEIS EL TEXTO QUE ESTIMEIS OPORTUNO ESPERO QUE FUNCIONE OK................................................ ..............................
</span></small>