/**
 * Cambian gradialmente colores
 */


/**
 * Efectua el cambio de color de los objetos con la $matchCSS a $color
 */
function changeToggleColor (matchCSS, color, durationFx)
	{
	var items = $$(matchCSS);

	if(items==null||items.length<1)
		return;

	if(durationFx===undefined)
		durationFx = 2000;
		
	var toggleOptions = {duration: durationFx};
	var toggleColorFx = null;

	items.each
		(
		function(item) 
			{
			toggleColorFx = new Fx.Toggle(item,toggleOptions);
			toggleColorFx.toggleProperty('color', item.getStyle('color'), color, true);
			}
		);	
	}