currFeatureNum = 1;
rotDelay = 10000;

ns6 = false;

if (document.getElementById) ns6 = true;

function divOn(id){
    if (ns6) {
    document.getElementById(id).style.display = 'block';
    } else {
    id.style.display = 'block';
    }
}

function divOff(id){

   		if (ns6) {
			document.getElementById(id).style.display = 'none';
		} else {
			id.style.display = 'none';
		}
}
function showFeed(val) {
    divOff('main1');
    divOff('main2');
    divOff('main3');
    divOn(val);
}

function gotoFeature(featurenum) {
	showFeed('main' + featurenum);
	currFeatureNum = featurenum;
     clearTimeout(RotTimer);
     RotTimer = setInterval("nextFeature()", rotDelay);
}

function nextFeature() {
     nextFeatureNum = currFeatureNum + 1;
     if ( nextFeatureNum == 4 ) nextFeatureNum = 1;
     showFeed('main' + nextFeatureNum);
     currFeatureNum = nextFeatureNum;
     clearTimeout(RotTimer);
     RotTimer = setInterval("nextFeature()", rotDelay);
}

RotTimer = setInterval("nextFeature()", rotDelay);
//-----------------------------------------