Asi
<script language="javascript">
//for(unknown){
[email protected]};
function valida(f)
{
for(z=0;z<f.elements.length;z++)
if(f.elements[z].type=="text")
f.elements[z].disabled=false
return
}
</script>
<form name="formulario" action="esta_es_mi_pagina.asp" onsubmit="return valida(this)">
<input name="edad0" disabled type="text" value="una info"><br>
<input name="edad1" disabled type="text" value="una info"><br>
<input name="edad2" disabled type="text" value="una info"><br>
<input name="edad3" disabled type="text" value="una info"><br>
<input name="edad4" disabled type="text" value="una info"><br>
<input type="button" disabled value=" Botton Disabled Ejemplo "><br>
<input type="button" disabled value=" Botton Disabled Ejemplo "><br>
<input type="submit">
</form>