function flipLayer (layername, id, start, end, pinColor) {
	
	// turn all the layers off one by one
	if (document.getElementById('cResultsDetails')){
		document.getElementById('cResultsDetails').style.display = 'none';
	}
	if (document.getElementById('cDetailMap')){
		document.getElementById('cDetailMap').style.display = 'none';
	}
	if (document.getElementById('mapControlmyMap')){
		document.getElementById('mapControlmyMap').style.display = 'none';
	}
	if (document.getElementById('cResultsReviews')){
		document.getElementById('cResultsReviews').style.display = 'none';
	}
	
	if (document.getElementById('cResultsCoupons')){
		document.getElementById('cResultsCoupons').style.display = 'none';
	}
	if (document.getElementById('cResultsPhotos')){
		document.getElementById('cResultsPhotos').style.display = 'none';
	}

	document.getElementById('detailsTab').style.background = '#eee7cc url(/img/header/tab_left.gif) no-repeat 0px 0px';
	document.getElementById('detailsTab').style.borderBottom = '1px solid #b7c4e0';
	document.getElementById('mapTab').style.background = '#eee7cc';
	document.getElementById('mapTab').style.borderBottom = '1px solid #b7c4e0';
	document.getElementById('reviewsTab').style.background = '#eee7cc';
	document.getElementById('reviewsTab').style.borderBottom = '1px solid #b7c4e0';
	document.getElementById('couponsTab').style.background = '#eee7cc';
	document.getElementById('couponsTab').style.borderBottom = '1px solid #b7c4e0';


	document.getElementById('photosTab').style.background = '#eee7cc url(/img/header/tab_right.gif) no-repeat top right';
	document.getElementById('photosTab').style.borderBottom = '1px solid #b7c4e0';
	
	
	
	//turn the layer you want to show on
	if (id == 'detailsTab') {
		document.getElementById(id).style.background = '#FFF url(/img/header/tab_left_on.gif) no-repeat 0px 0px';
	} else if (id == 'photosTab') {
		document.getElementById(id).style.background = '#FFF url(/img/header/tab_right_on.gif) no-repeat top right';
	} else {
		document.getElementById(id).style.background = '#FFF'
	}
	document.getElementById(id).style.borderBottom = '1px solid #FFF';
	if (document.getElementById(layername)){
		document.getElementById(layername).style.display = 'block';
	}
	if (id == 'mapTab') {
		getMapLoadVariables( 'myMap' ); track();
	
	}
}