function submitonce () {
	var accion = submitonce.arguments;
	accion = accion[0]?false:true;

	for (i=0; i<document.forms.length; i++) {
		for (b=0; b<document.forms[i].length; b++) {
			var tempobx = document.forms[i].elements[b];

			if(tempobx.type && (tempobx.type.toLowerCase()=="submit" || tempobx.type.toLowerCase()=="reset"))
				tempobx.disabled = accion;
		}
	}

	return true;
}