//rotating discount images

if (document.images) {
	var boardNum = 2;
	var boardSpeed = 500;
	
	//create variables and image array;
	
	var billboard = new Array();
	billboard[0] = new Image();
	billboard[0].src = "discount.jpg";
	billboard[1] = new Image();
	billboard[1].src = "discount2.jpg";
}


//function to rotate the billboard
function rotateBoard() {
	if (boardNum < (billboard.length -1)) {
		boardNum++;
	}
	else {
	    boardNum=0;	
	}
	document.billboard.src=billboard[boardNum].src;
	setTimeout('rotateBoard()', boardSpeed);
}
	setTimeout('rotateBoard()', boardSpeed);