$(document).ready(function()
{
	  pic1= new Image(); 
	  pic1.src="images/slides/layer0.jpg"; 
	
	  pic2= new Image(); 
	  pic1.src="images/slides/layer1.png"; 
	
	  pic3= new Image(); 
	  pic1.src="images/slides/layer2_fund.png"; 

	displayLength = 8000; //8000
	slideSpeed = 2500; //2500

	//Random Slide or Defined Slide
	//nextSlide = Math.floor(Math.random()*(4))
	nextSlide = 3;

	slideLink ="";
	var paused = new Boolean(false);

	setSlide();
	moveSlide();

	$("#controls").children().click(function(){
		clearTimeout(t);
		nextSlide = $("#controls").children().index(this);
		moveSlide();
	});

	$("#pause").children().click(function(){
		if (paused == false)
		{
			clearTimeout(t);
			paused = true;
			$("#pause a").removeClass("pause");
			$("#pause a").addClass("play");
		}
		else
		{
			t=setTimeout(moveSlide,displayLength);
			paused = false;
			$("#pause a").removeClass("play");
			$("#pause a").addClass("pause");
		}
	});


});

function moveSlide()
{
	$("#controls a:not("+nextSlide+")").removeClass("current");
	$("#controls a:eq("+nextSlide+")").addClass("current");

	switch(nextSlide)
	{
		case 0:
			layer0Pos = 0;
			layer1Pos = 0;
			layer2Pos = 0;
			nextSlide = 1;
			slideLink = "media/video_welcome.html";
			break;    
		case 1:
			layer0Pos = -253;
			layer1Pos = -506;
			layer2Pos = -760;
			nextSlide = 2;
			slideLink = "profile/profile_family.html";
			break;    
		case 2:
			layer0Pos = -506;
			layer1Pos = -1013;
			layer2Pos = -1520;
			nextSlide = 3;
			slideLink = "speeches/";
			break;   
		case 3:
			layer0Pos = -760;
			layer1Pos = -1520;
			layer2Pos = -2280;
			nextSlide = 0;
			slideLink = "http://www.found.ksu.edu/annualfund/";
			break;   
		default:
			layer0Pos = 0;
			layer1Pos = 0;
			layer2Pos = 0;
	}
	
	$("#layer0").animate({backgroundPosition: layer0Pos + "px 0"}, slideSpeed, "easeInOutQuad" );
	$("#layer1").animate({backgroundPosition: layer1Pos + "px 0"}, slideSpeed, "easeInOutQuad" );
	$("#layer2").animate({backgroundPosition: layer2Pos + "px 0"}, slideSpeed, "easeInOutQuad" );
	$("#slide_link>a").attr({href: slideLink});
	t=setTimeout(moveSlide,displayLength);
}

function setSlide()
{
	$("#controls a:not("+nextSlide+")").removeClass("current");
	$("#controls a:eq("+nextSlide+")").addClass("current");

	switch(nextSlide)
	{
		case 0:
			layer0Pos = 0;
			layer1Pos = 0;
			layer2Pos = 0;
			break;    
		case 1:
			layer0Pos = -253;
			layer1Pos = -506;
			layer2Pos = -760;
			break;    
		case 2:
			layer0Pos = -506;
			layer1Pos = -1013;
			layer2Pos = -1520;
			break;   
		case 3:
			layer0Pos = -760;
			layer1Pos = -1520;
			layer2Pos = -2280;
			break;   
		default:
			layer0Pos = 0;
			layer1Pos = 0;
			layer2Pos = 0;
	}
	
	$("#layer0").css("backgroundPosition", layer0Pos + "px 0");
	$("#layer1").css("backgroundPosition", layer1Pos + "px 0");
	$("#layer2").css("backgroundPosition", layer2Pos + "px 0");
}