Вопрос не в той ветке, сдесь DHTML,JavaScript,DOM нужен, а не PHP.
<script>
function on(n){
el=document.getElementById(\'hidden\');
el.name=n.name;
el.value=n.value;
document.forms.form_a.submit();
}
function on_name(name){
on(document.getElementById(name));
}
</script>
<form name="form_a" action="" method="get">
<input id="hidden" type="hidden" name="hidden" value="">
<input type="text" name="t_1" maxlength="20" size="50%" onKeyDown="if(event.keyCode==13) on_name(\'enter\');">
<input type="text" name="t_2" maxlength="30" size="50%"/>
<input type="button" name=s_1 value="кнопка 1" onClick="on(this);">
<input type="button" name=s_2 value="кнопка 2" onClick="on(this);">
<input type="button" id="enter" name="enter" value="кнопка 3" onClick="on(this);">
</form>
<script>
function on(n){
el=document.getElementById(\'hidden\');
el.name=n.name;
el.value=n.value;
document.forms.form_a.submit();
}
function on_name(name){
on(document.getElementById(name));
}
</script>
<form name="form_a" action="" method="get">
<input id="hidden" type="hidden" name="hidden" value="">
<input type="text" name="t_1" maxlength="20" size="50%" onKeyDown="if(event.keyCode==13) on_name(\'enter\');">
<input type="text" name="t_2" maxlength="30" size="50%"/>
<input type="button" name=s_1 value="кнопка 1" onClick="on(this);">
<input type="button" name=s_2 value="кнопка 2" onClick="on(this);">
<input type="button" id="enter" name="enter" value="кнопка 3" onClick="on(this);">
</form>



Записан
