// javascript document
var ctr=0;
var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);
setTimeout("switchImg()", 8000);
function switchImg(){
	ctr=ctr + 1;
	if(ctr > 3) {ctr=1;}
	//alert(ctr);
	if(ctr == 1) {imgsrc="top-46.jpg";}
	if(ctr == 2) {imgsrc="Metalsaw_logo_big.gif";}
	if (ctr == 3) {imgsrc="Metalsaw_overhead_shot.jpg";}
	//alert(ctr);
	flipImg(imgsrc,"bannerbox");
	setTimeout("switchImg()", 8000)
}
function flipImg(src,id){
	// Netscape 4
	if(ns4){document.layers[id].style.backgroundImage = "url(images/"+src+")";}
	// Explorer 4
	else if(ie4){document.all[id].style.backgroundImage = "url(images/"+src+")";}
	// W3C - Explorer 5+ and Netscape 6+
	else if(ie5 || ns6){document.getElementById(id).style.backgroundImage = "url(images/"+src+")";}
}