using setTimeout

[merhaba]

hi there,

The following script is for moving an object(a textbox).but it does not move
help me fixing the problem please.And is it possible to display
"setTimeout value" as the script is running...!!

thanks a lot
*********************************
<SCRIPT LANGUAGE="javascript">
function runrace()
{
document.bgColor="red";
document.fn.text1.style.left = document.fn.text1.style.left+=50;
setTimeout("runrace()", 100);

}
</script>
<form name=fn>
<input type=button value="start" onclick="runrace()"><br>
<INPUT TYPE=TEXT NAME="text1" SIZE="3">
</form>