var displayTime, speed, wait, banner1, banner2;

function initVar() {

	displayTime = 1;
	speed = 2;
	wait = false;

	banner1 = document.getElementById("banner1");
	banner2 = document.getElementById("banner2");

	banner1.style.left = 0;
	banner2.style.left = 180;

	bannerIndex = Math.round(Math.random()*bannerCount);

	if(bannerIndex == 0){
		banner1.src = bannerLocations[bannerCount];
		link1.href = bannerURLs[bannerCount];
	}
	else{
		banner1.src = bannerLocations[bannerIndex-1];
		link1.href = bannerURLs[bannerIndex-1];
	}

	banner2.src = bannerLocations[bannerIndex];
	link2.href = bannerURLs[bannerIndex];
}

function moveBanner(){

	if(!wait){

		banner1.style.left = parseInt(banner1.style.left) -  (speed * 5);
		banner2.style.left = parseInt(banner2.style.left) - (speed * 5);

		if(parseInt(banner1.style.left) <= -180){
			banner1.style.left = 180;
			bannerIndex = (bannerIndex < (bannerLocations.length - 1)) ? ++bannerIndex :0;
			banner1.src = bannerLocations[bannerIndex];
			link1.href = bannerURLs[bannerIndex];
			wait = true;
		}

		if(parseInt(banner2.style.left) <= -180){
			banner2.style.left = 180;
			bannerIndex = (bannerIndex < (bannerLocations.length - 1)) ? ++bannerIndex :0;
			banner2.src = bannerLocations[bannerIndex];
			link2.href = bannerURLs[bannerIndex];
			wait = true;
		}

		setTimeout("moveBanner()",100);
	} else {
		wait = false;
		setTimeout("moveBanner()", displayTime * 1000);
	}
}