if (document.images) {           
    img1= new Image();      
    img1.src = "../flash/inventory01.jpg"; 
    img2= new Image();      
    img2.src = "../flash/inventory02.jpg"; 
    img3= new Image();      
    img3.src = "../flash/inventory03.jpg";
	img4= new Image();      
    img4.src = "../flash/inventory04.jpg";
	img5= new Image();      
    img5.src = "../flash/inventory05.jpg"; 
    img6= new Image();      
    img6.src = "../flash/inventory06.jpg"; 
    img7= new Image();      
    img7.src = "../flash/inventory07.jpg";
	img8= new Image();      
    img8.src = "../flash/inventory08a.jpg";
}
var i = 0;
var ismove = 1;
 
function animation() {
	(i<8) ? ++i : i = 1;
	document.animate.src = eval("img" + i + ".src");
	move = setTimeout('animation()', 1500)
}
<!-- 1000=1 sec. Change to vary time //-->

function stop(){
if (ismove==1){
ismove=0;
clearTimeout(move);
}
else {
ismove=1;
animation()
}
}