<input type=text id=PageN name=PageN style='width:30px;height:12px;' onkeydown="if(event.keyCode==13){event.keyCode=9;document.getElementById ('btnGo').click();}">
<input type=button value=Go id="btnGo" onclick="location.href='?p=' + PageN.value">
<body onkeydown="if(event.keyCode==13)event.keyCode=9">