function rollon(imagefrom){
	//document.images[imagefrom].src = 'img/nav_' + imagefrom + '_on.gif';
	document.images['featureimg'].src = 'img/feature_' + imagefrom + '.jpg';	
}

function rolloff(imagefrom){
	//document.images[imagefrom].src = 'img/nav_' + imagefrom + '_off.gif';
	document.images['featureimg'].src = 'img/feature_default.jpg';
}


function viewlarger(page) {
	var filepath = 'lg_' + page + '.html';
	window.open(filepath,"viewlarger","height=400,width=620,status=yes,toolbar=no,menubar=no,location=no")

}