function mouseoverNav1(idx) {
	swapImage('navigation1Layer','nav1' + idx + 'Img','nav1' + idx + 'OnObj');
}

function mouseoutNav1(idx) {
	swapImage('navigation1Layer','nav1' + idx + 'Img','nav1' + idx + 'OffObj');
}

function mouseoverNav2(idx) {
	swapImage('navigation2Layer','nav2' + idx + 'Img','nav2' + idx + 'OnObj');
}

function mouseoutNav2(idx) {
	swapImage('navigation2Layer','nav2' + idx + 'Img','nav2' + idx + 'OffObj');
}