<!-- ONE STEP TO INSTALL UP & DOWN BOX:
1. Copy the coding into the BODY of your HTML document -->
<!-- STEP ONE: Paste this code into the BODY of your HTML document -->
<BODY>
<center>
<form>
<input type=text name=amount value=5>
<input type=button value="YUKARI" onClick="javascript:this.form.amount.value++;">
<input type=button value="AŞAĞI" onClick="javascript:this.form.amount.value--;">
</form>
</center>