function displayLayer(layerName){
	//layers
	MM_showHideLayers('colorsDiv','','hide');
	MM_showHideLayers('upgradesDiv','','hide');
	MM_showHideLayers('specsDiv', '', 'hide');
	MM_showHideLayers('reviewsDiv', '', 'hide');
	MM_showHideLayers(layerName + 'Div','','show');
	//tabs
	MM_swapImage('colorsImage','','images/producttabs/colors-off.jpg');
	MM_swapImage('upgradesImage','','images/producttabs/upgrades-off.jpg');
	MM_swapImage('specsImage', '', 'images/producttabs/specs-off.jpg');
	MM_swapImage('reviewsImage', '', 'images/producttabs/reviews-off.jpg');
	MM_swapImage(layerName + 'Image','','images/producttabs/' + layerName + '-on.jpg');
}
function displayDraperyLayer(layerName, LayerID){
	//clear all
	for (i = 0; i < colorLayer.length; i++) {
	    //hide layers
		MM_showHideLayers(colorLayer[i], '', 'hide');
	   }
	//layers
	MM_showHideLayers(layerName, '', 'show');

	//links
	for (i = 0; i < colorLink.length; i++) {
		//set basic lass
		document.getElementById("fabric_link_" + colorLink[i]).className = 'fabricLink';
	}
	document.getElementById("fabric_link_" + LayerID).className = 'fabricLinkOn';
}