/**
 * Efectos del Main Menu 
 */


/**
 * Establece los efectos del Main Menu
 */
function initMainMenu (from, to, toDuration, fromDuration)
	{
	var items = $$('#mainMenu th div');
	var itemsLinks = $$('#mainMenu a');
	var property = 'background-color';
	var n = 0;
	

	
	if(items==null||items.length<=0||items.length!=itemsLinks.length)
		return;

	if(Browser&&Browser.ie6)
		{
		toDuration = Math.round(toDuration/2);
		fromDuration = Math.round(fromDuration/2);
		}

	items.each
		(
		function(item) 
			{

			if(item.togglePropertyHoverFx==null||item.togglePropertyHoverFx==undefined)
				item.togglePropertyHoverFx = new Fx.Toggle(item);

			item.setStyle(property, from);

			itemsLinks[n].addEvent('mouseenter',
				function(event) 
					{
					item.togglePropertyHoverFx.pause();
					item.togglePropertyHoverFx.options.duration = toDuration;
					item.togglePropertyHoverFx.toggleProperty(property, item.getStyle(property), to, true);

					item.setStyle('border','1px solid #333333');
					}
				);

			itemsLinks[n].addEvent('mouseleave',
				function(event) 
					{
					item.togglePropertyHoverFx.pause();
					item.togglePropertyHoverFx.options.duration = fromDuration;
					item.togglePropertyHoverFx.toggleProperty(property, item.getStyle(property), from, true);
					item.setStyle('border','1px solid #666666');
					}
				);
									
			n++;
			}
		);

	}