jQuery(document).ready(function($) {
	// init amenities collage images
	var imgArray=new Array();
	var imgAltArray=new Array(
		"Administrative Office",
		"Swimming Pool",
		"Rememberance Park",
		"Handball Court",
		"Lake",
		"Ski Lodge",
		"Stables",
		"Tennis Court",
		"ATVs & Golf Carts"
	);
	var index = 0;
	for(i=0;i<imgAltArray.length;i++){
		imgArray[i]=new Image();
		imgArray[i].src="img/wc-pic-collage-"+(i+1)+".jpg";
		imgArray[i].alt=imgAltArray[i];
	}
	
	// set first image initially
	swapImage(imgArray[0]);
	
	// swap image on prev/next button click
	$('#wc-photos a.prev').click(function() {
		if(index>0)
			--index;
		else
			index=imgArray.length-1;
		swapImage(imgArray[index]);
		return false;
	});
	$('#wc-photos a.next').click(function() {
		if(index<imgArray.length-1)
			++index;
		else
			index=0;
		swapImage(imgArray[index]);
		return false;
	});
});

function swapImage(img) {
	// update the collage image's attributes
	jQuery('#wc-pics-collage').attr({
		src: img.src,
		alt: img.alt
	});
	// update the caption
	jQuery('#wc-photos .navi .caption').text(img.alt);
}