i=0;
cont=0;
speed=2000;
function stopImg() {
	cont=1;
}
function startImg() {
	cont=0;
	upImg();
}
function newImg() {
	document.imgS.src=imgs[i].src;
}
function upImg() {
	if(cont==0) {
		i++
		if(i<imgs.length) {
			newImg();
			setTimeout("upImg()",speed);
		}
		else {
			i=0;
			newImg();
			setTimeout("upImg()",speed);
		}
	}
}
function getNextImg() {
	i++;
	if(i>(imgs.length-1)) {
		i=0
		newImg();
	}
	else {
		newImg();
	}
}
function getPrevImg() {
	i--;
	if(i<0) {
		i=(imgs.length-1);
		newImg();
	}
	else {
		newImg();
	}
}
function setNewSpeed() {
	speed=document.data1.setSpeed.options[document.data1.setSpeed.selectedIndex].value;
}