if (document.images)
	{
	image1on=new Image();
	image1on.src="images/menu_top_on_01.gif";
	image1off=new Image();
	image1off.src="images/menu_top_01.gif";

	image2on=new Image();
	image2on.src="images/menu_top_on_02.gif";
	image2off=new Image();
	image2off.src="images/menu_top_02.gif";
	
	image3on=new Image();
	image3on.src="images/menu_top_on_03.gif";
	image3off=new Image();
	image3off.src="images/menu_top_03.gif";
	
	image4on=new Image();
	image4on.src="images/menu_top_on_04.gif";
	image4off=new Image();
	image4off.src="images/menu_top_04.gif";
	
	image5on=new Image();
	image5on.src="images/menu_top_on_05.gif";
	image5off=new Image();
	image5off.src="images/menu_top_05.gif";

	image6on=new Image();
	image6on.src="images/menu_on_01.gif";
	image6off=new Image();
	image6off.src="images/menu_off_01.gif";	
	
	image7on=new Image();
	image7on.src="images/menu_on_02.gif";
	image7off=new Image();
	image7off.src="images/menu_off_02.gif";	
	
	image8on=new Image();
	image8on.src="images/menu_on_03.gif";
	image8off=new Image();
	image8off.src="images/menu_off_03.gif";	
	
	image9on=new Image();
	image9on.src="images/menu_on_04.gif";
	image9off=new Image();
	image9off.src="images/menu_off_04.gif";	
	
	image10on=new Image();
	image10on.src="images/menu_on_05.gif";
	image10off=new Image();
	image10off.src="images/menu_off_05.gif";	
	
	image11on=new Image();
	image11on.src="images/menu_on_06.gif";
	image11off=new Image();
	image11off.src="images/menu_off_06.gif";	
	
	image12on=new Image();
	image12on.src="images/menu_on_07.gif";
	image12off=new Image();
	image12off.src="images/menu_off_07.gif";	
		
	image13on=new Image();
	image13on.src="images/menu_on_09.gif";
	image13off=new Image();
	image13off.src="images/menu_off_09.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 abrePopup(url){
    janela=window.open(url,'_blank','width=820,height=640,top=50,left=50,resizable=no')
}