image1on = new Image();

image1on.src =  "../images/navi/mainnavon.jpg";

image1off = new Image();

image1off.src =  "../images/navi/mainnavoff.jpg";

image1active = new Image();

image1active.src =  "../images/navi/mainnavact.jpg";



image2on = new Image();

image2on.src =  "../images/navi/mainnavon.jpg";

image2off = new Image();

image2off.src =  "../images/navi/mainnavoff.jpg";

image2active = new Image();

image2active.src =  "../images/navi/mainnavact.jpg";



image3on = new Image();

image3on.src =  "../images/navi/mainnavon.jpg";

image3off = new Image();

image3off.src =  "../images/navi/mainnavoff.jpg";

image3active = new Image();

image3active.src =  "../images/navi/mainnavact.jpg";



image4on = new Image();

image4on.src =  "../images/navi/mainnavon.jpg";

image4off = new Image();

image4off.src =  "../images/navi/mainnavoff.jpg";

image4active = new Image();

image4active.src =  "../images/navi/mainnavact.jpg";



image5on = new Image();

image5on.src =  "../images/navi/mainnavon.jpg";

image5off = new Image();

image5off.src =  "../images/navi/mainnavoff.jpg";

image5active = new Image();

image5active.src =  "../images/navi/mainnavact.jpg";



image6on = new Image();

image6on.src =  "../images/navi/mainnavon.jpg";

image6off = new Image();

image6off.src =  "../images/navi/mainnavoff.jpg";

image6active = new Image();

image6active.src =  "../images/navi/mainnavact.jpg";



image7on = new Image();

image7on.src =  "../images/navi/mainnavon.jpg";

image7off = new Image();

image7off.src =  "../images/navi/mainnavoff.jpg";

image7active = new Image();

image7active.src =  "../images/navi/mainnavact.jpg";



function off(name)  {

	 if ( document[name].src != eval (name + "active.src") ) {

   	     document[name].src = eval(name + "off.src");

        }

}



function superoff(name)  {

        document[name].src = eval(name + "off.src");

}





function on(name)   {

	 if ( document[name].src != eval (name + "active.src") ) {

	 	off ('image1');

	 	off ('image2');

	 	off ('image3');

	 	off ('image4');

	 	off ('image5');

	 	off ('image6');

	 	off ('image7');

      	 	document[name].src = eval(name + "on.src");

      	 }

}



function active(name)   {

	 superoff ('image1');

	 superoff ('image2');

	 superoff ('image3');

	 superoff ('image4');

	 superoff ('image5');

	 superoff ('image6');

	 superoff ('image7');

        document[name].src = eval(name + "active.src");

}

		

		

function start() {

	active('image1'); 	

}