var imageCount;
var imageIndex = 0;
var imagePageName;

function initPage( pageName, pageCount ) {
	imageCount =pageCount;
	imagePageName = pageName;
	
	rotateImages( 0 );
}

function rotateImages( direction) {
	var objImage = document.getElementById( "imagerotator" );

	imageIndex = imageIndex + direction;
	
	if ( imageIndex < 0 ) {
		imageIndex = imageCount;
	} else if ( imageIndex > imageCount ) {
		imageIndex = 0;
	}
	
	objImage.src = "../_media/products/" + imagePageName + "-" + imageIndex + ".jpg";
}

function swapImage( id, mode, extension ) {
	var objImage = document.getElementById( id );
	
	objImage.src = "../_media/images/" + id + "-" + mode + extension;
}