$(function() {


	var playing = true;
	var pause_time = 5000;


	// Set the billboard rotation	
	$("#rotator").tabs({fx:{opacity: "toggle"}}).tabs("rotate", pause_time);

	
	// If billboard circle is clicked, turn the pause into a play button.
	$(".selection").click(function(event) {
		playing = false;
 		$("#play_pause").css("background-image","url(images/button_play.gif)");		
	});
	
	// When the user clicks the pause / play button...
	$("#play_pause").click(function(event) {
		if (playing) {
	        event.preventDefault();
			$("#rotator").tabs({fx:{opacity: "toggle"}}).tabs("rotate", 0);
			$("#play_pause").css("background-image","url(images/button_play.gif)");
			playing = false;		
		} else {
		    event.preventDefault();
			$("#rotator").tabs({fx:{opacity: "toggle"}}).tabs("rotate", pause_time);
			$("#play_pause").css("background-image","url(images/button_pause.gif)");
			playing = true;
		}
	});
	
});