function turnon(nameofid){
	setTimeout("document.getElementById(\""+nameofid+"\").className='off00';",220);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off20';",260);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off40';",300);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off60';",340);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off80';",380);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off100';",420);

	whichison = nameofid;
}
function turnoff(nameofid){
	setTimeout("document.getElementById(\""+nameofid+"\").className='off100';",0);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off80';",40);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off60';",80);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off40';",120);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off20';",160);
	setTimeout("document.getElementById(\""+nameofid+"\").className='off00';",200);

}


function turnright(){
	if(whichison=='billboard1'){
		turnoff('billboard1');
		turnon('billboard2');
	} else if(whichison=='billboard2'){
		turnoff('billboard2');
		turnon('billboard3');
	} else if(whichison=='billboard3'){
		turnoff('billboard3');
		turnon('billboard1');
	}
	if(runslide!=0){ setTimeout("slideshow();",6000);  }
	
}

function slideshow(){
	if(runslide!=0){ turnright(); }
}
function stopslide(){
	runslide = 0;

}
function startslide(){
	if(runslide==0){
		runslide = 1;
		turnright();
	}
}
var runslide = 1;
var whichison = 'billboard1';
turnon(whichison);
setTimeout("slideshow();",6000);