function requadre(domini,idreg,tipus,missatge){
	$('sobrenegre').appear({ duration: 1.5, from: 0, to: 0.7 });
	$('generalsortint').appear({ duration: 1.5, from: 0, to: 1.0 });

	new Ajax.Updater(
		"capaflotantcentre",
		'http://'+domini+'templates/web/requadre.php',
		{method: 'post', parameters: 'idreg='+idreg+'&tipus='+tipus+'&missatge='+missatge}
	);
}
function treurerequadre(){
	$('sobrenegre').fade();
	$('generalsortint').fade();
}