if (document.images)
	{
	image1on=new Image();
	image1on.src="images/menu_on_01.gif";
	image1off=new Image();
	image1off.src="images/menu_off_01.gif";

	image2on=new Image();
	image2on.src="images/menu_on_02.gif";
	image2off=new Image();
	image2off.src="images/menu_off_02.gif";
	
	image3on=new Image();
	image3on.src="images/menu_on_03.gif";
	image3off=new Image();
	image3off.src="images/menu_off_03.gif";
	
	image4on=new Image();
	image4on.src="images/menu_on_04.gif";
	image4off=new Image();
	image4off.src="images/menu_off_04.gif";
	
	image5on=new Image();
	image5on.src="images/menu_on_05.gif";
	image5off=new Image();
	image5off.src="images/menu_off_05.gif";
	
	image6on=new Image();
	image6on.src="images/menu_on_06.gif";
	image6off=new Image();
	image6off.src="images/menu_off_06.gif";
	
	image7on=new Image();
	image7on.src="images/menu_on_07.gif";
	image7off=new Image();
	image7off.src="images/menu_off_07.gif";
				
	}

function turnOn(imageName)
	{
	if (document.images)
		{
		document[imageName].src=eval(imageName+"on.src");
		}
	}

function turnOff(imageName)
	{
		if (document.images)
		{
		document[imageName].src=eval(imageName+"off.src");
		}
	}
	
	
	function fecha_banner()
{
	var banner_obj = document.getElementById('banner_popup');
	banner_obj.style.display = 'none';
}

function fecha_banner_timeout()
{
	setTimeout('fecha_banner()', 10000);
}

function abre_banner()
{
	var banner_obj = document.getElementById('banner_popup');

	banner_obj.style.left = '200px';
	banner_obj.style.top = '100px';

	banner_obj.style.display = '';

	fecha_banner_timeout();
}