function turnon(nameofid){
	setTimeout("document.getElementById(\""+nameofid+"\").className='off00';",120);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off20';",140);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off40';",160);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off60';",180);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off80';",200);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off100';",220);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off00';",120);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off20';",140);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off40';",160);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off60';",180);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off80';",200);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off00';",120);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off20';",140);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off40';",160);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off60';",180);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off80';",200);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off100';",220);
	whichison = nameofid;
}
function turnoff(nameofid){
	setTimeout("document.getElementById(\""+nameofid+"\").className='off100';",0);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off80';",20);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off60';",40);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off40';",60);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off20';",80);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off00';",100);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off80';",20);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off60';",40);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off40';",60);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off20';",80);
	setTimeout("document.getElementById(\""+nameofid+"_status\").className='off00';",100);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off100';",0);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off80';",20);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off60';",40);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off40';",60);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off20';",80);
	setTimeout("document.getElementById(\"bbt_"+nameofid+"\").className='off00';",100);
}


function turnleft(){
	if(whichison=='billboard1'){
		document.getElementById('numbers').style.backgroundPosition='top right';
		turnoff('billboard1');
		turnon('billboard4');
	} else if(whichison=='billboard2'){
		document.getElementById('numbers').style.backgroundPosition='top left';
		turnoff('billboard2');
		turnon('billboard1');
	} else if(whichison=='billboard3'){
		document.getElementById('numbers').style.backgroundPosition='bottom left';
		turnoff('billboard3');
		turnon('billboard2');
	} else if(whichison=='billboard4'){
		document.getElementById('numbers').style.backgroundPosition='bottom right';
		turnoff('billboard4');
		turnon('billboard3');
	}
}
function turnright(){
	if(whichison=='billboard1'){
		document.getElementById('numbers').style.backgroundPosition='bottom left';
		turnoff('billboard1');
		turnon('billboard2');
	} else if(whichison=='billboard2'){
		document.getElementById('numbers').style.backgroundPosition='bottom right';
		turnoff('billboard2');
		turnon('billboard3');
	} else if(whichison=='billboard3'){
		document.getElementById('numbers').style.backgroundPosition='top right';
		turnoff('billboard3');
		turnon('billboard4');
	} else if(whichison=='billboard4'){
		document.getElementById('numbers').style.backgroundPosition='top left';
		turnoff('billboard4');
		turnon('billboard1');
	}
	if(runslide!=0){ setTimeout("slideshow();",3000);  }
	
}

function slideshow(){
	if(runslide!=0){ turnright(); }
}
function stopslide(){
	runslide = 0;
	document.getElementById('playpause').style.backgroundPosition='top left';
}
function startslide(){
	if(runslide==0){
		document.getElementById('playpause').style.backgroundPosition='bottom left';
		runslide = 1;
		turnright();
	}
}
var runslide = 1;
var whichison = 'billboard1';
turnon(whichison);
setTimeout("slideshow();",3000);