function button_Over (type) {

	if (document.images)
                {
				document.images[type].src='nav_imgs/' + type + '02.gif';
                return

                }

}


function button_Out (type) {

	if (document.images)
                {
                document.images[type].src='nav_imgs/' + type +'01.gif';
                return

                }

}

function button2_Over (type) {

	if (document.images)
                {
				document.images[type].src='nav_imgs/' + type + '02.gif';
                return

                }

}


function button2_Out (type) {

	if (document.images)
                {
                document.images[type].src='nav_imgs/' + type +'01.gif';
                return

                }

}