/* card rotation */
function swap(ele1,ele2) {
	fadeout(ele1);
	fadein(ele2);
}

function fadein(ele,i) {
	if(!i) i = 0.1;

	if(i >= 1.0) {
		document.getElementById(ele).style.display = '';
	} else {
		document.getElementById(ele).style.opacity = i;
		document.getElementById(ele).style.filter = "alpha(opacity=" + (i * 100) + ");";
		document.getElementById(ele).style.display = '';
		window.setTimeout('fadein("'+ele+'",'+(i+0.1)+')','50');
	}
}

function fadeout(ele,i) {
	if(!i) i = 0.9;

	if(i <= 0.0) {
		document.getElementById(ele).style.display = 'none';
	} else {
		document.getElementById(ele).style.opacity = i;
		document.getElementById(ele).style.filter = "alpha(opacity=" + (i * 100) + ");";
		window.setTimeout('fadeout("'+ele+'",'+(i-0.1)+')','50');
	}
}


function showFeaturedImage(imageNumber) {
	//alert(imageNumber);
	showCard(imageNumber);
	setButton('card'+imageNumber);
}

function showThumbImage(imageNumber) {
	var e = document.getElementById('thumb' + imageNumber);
  e.className="thumbActive";
	/*var i = 1;
	document.getElementById(ele).style.opacity = i;
	document.getElementById(ele).style.filter = "alpha(opacity=" + (i * 100) + ");";*/
}

function hideThumbImage(imageNumber) {
	var e = document.getElementById('thumb' + imageNumber);
  e.className="thumbInactive";
	/*var i = 0.6;
	document.getElementById(ele).style.opacity = i;
	document.getElementById(ele).style.filter = "alpha(opacity=" + (i * 100) + ");";*/
}

/* general */
function preloadImages() {

	if (document.images) {
		home_button_on = new Image(46, 11);
		home_button_on.src = "images/buttons/on/home.png";
		
		lunch_menu_button_on = new Image(101, 11);
		lunch_menu_button_on.src = "images/buttons/on/lunch_menu.png";

		dinner_menu_button_on = new Image(104, 11);
		dinner_menu_button_on.src = "images/buttons/on/dinner_menu.png";
		
		banquet_menu_button_on = new Image(118, 11);
		banquet_menu_button_on.src = "images/buttons/on/banquet_menu.png";

		banquet_room_button_on = new Image(120, 11);
		banquet_room_button_on.src = "images/buttons/on/banquet_room.png";
		
		catered_events_button_on = new Image(122, 11);
		catered_events_button_on.src = "images/buttons/on/catered_events.png";
		
		event_calendar_button_on = new Image(129, 11);
		event_calendar_button_on.src = "images/buttons/on/event_calendar.png";
		
		photo_gallery_button_on = new Image(120, 11);
		photo_gallery_button_on.src = "images/buttons/on/photo_gallery.png";
		
		virtual_tour_button_on = new Image(102, 11);
		virtual_tour_button_on.src = "images/buttons/on/virtual_tour.png";
		
		directions_button_on = new Image(90, 11);
		directions_button_on.src = "images/buttons/on/directions.png";
		
		contact_button_on = new Image(70, 11);
		contact_button_on.src = "images/buttons/on/contact.png";
	}

}


function changeButton(imageName, imageState) {
	if(document.images) {
		document.images[imageName].src = "images/buttons/" + imageState +  "/" + imageName + ".png";
	}
}