Mouseover the Increase or Decrease links to change the size of the text.
<script type="text/javascript">
txtsize=16 // default size
speed=500
size=txtsize
function txtup(){
size++
document.body.style.fontSize=size+"px"
timer=setTimeout("txtup()",speed)
}
function txtdown(){
size--
if(size<2){
size=2
}
document.body.style.fontSize=size+"px"
timer=setTimeout("txtdown()",speed)
}
function stopme(){
clearTimeout(timer)
}
function txtset(){
size=txtsize
document.body.style.fontSize=size+"px"
}
</script>
<a href="#null" onmouseover="txtup()" onmouseout="stopme()">Increase</a>
<a href="#null" onmouseover="txtdown()" onmouseout="stopme()">Decrease</a>
<a href="#null" onclick="txtset()">Reset</a>