<script type="text/vbscript">
txt="This is a beautiful day!"
document.write(InStr(txt,"beautiful"))
</script>
<script type="text/vbscript">
txt="This is a beautiful day!"
document.write(InStr(1,txt,"t",1) & "<br />")
document.write(InStr(1,txt,"t",0) & "<br />")
</script>