// JavaScript Document

function fondoForm (formulario, form_head, form_body, form_foot) {
	var alto_form_body = $(formulario).height() - $(form_head).height() - $(form_foot).height() + 20;
	$(form_body).css({
		'height' : alto_form_body
	});
	
	var top_form_foot = alto_form_body + $(form_head).height();
	$(form_foot).css({
		'top' : top_form_foot
	});
}