Event.observe(window, "load", function(){
	album1obj = new Glider("album1", { duration:1.0 } );

	currentPage = 0;
	
});

function dispPic(no) {

	if (no < 2) {
		document.getElementById("btnImg").src = "images/next.gif";
		document.getElementById("lamp1").src = "images/btn_1-on.gif";
		document.getElementById("lamp2").src = "images/btn_2-off.gif";
		document.getElementById("lamp3").src = "images/btn_3-off.gif";
		document.getElementById("lamp4").src = "images/btn_4-off.gif";
	} else {
		if (no < 3) {
			document.getElementById("btnImg").src = "images/next.gif";
			document.getElementById("lamp1").src = "images/btn_1-off.gif";
			document.getElementById("lamp2").src = "images/btn_2-on.gif";
			document.getElementById("lamp3").src = "images/btn_3-off.gif";
			document.getElementById("lamp4").src = "images/btn_4-off.gif";
		} else {
			if (no < 4) {
				document.getElementById("btnImg").src = "images/next.gif";
				document.getElementById("lamp1").src = "images/btn_1-off.gif";
				document.getElementById("lamp2").src = "images/btn_2-off.gif";
				document.getElementById("lamp3").src = "images/btn_3-on.gif";
				document.getElementById("lamp4").src = "images/btn_4-off.gif";
			} else {
				document.getElementById("btnImg").src = "images/top.gif";	
				document.getElementById("lamp1").src = "images/btn_1-off.gif";
				document.getElementById("lamp2").src = "images/btn_2-off.gif";
				document.getElementById("lamp3").src = "images/btn_3-off.gif";
				document.getElementById("lamp4").src = "images/btn_4-on.gif";
			}
		}
	}
}

document.getElementById("btn").onclick = function(){

	album1obj.next();
	
	currentPage++;
	
	if (currentPage == 4) {
		currentPage = 0;
	}				
	
	if (currentPage == 3) {
		setTimeout("dispPic(4)",1000);
	} else {
		if (currentPage == 2) {
			setTimeout("dispPic(3)",1000);
		} else {
			if (currentPage == 1) {
				setTimeout("dispPic(2)",1000);
			} else {
				setTimeout("dispPic(1)",1000);
			}
		}
	}
};