function getObj(name) {
    var d=document;
  	if (d.all) {
  	  return d.all[name];
	  } else if(d.getElementById) {
	    return d.getElementById(name);
	  }
  }

var imgNb=1;
var curImg=1;
var	src;
var clicked=false;

function zoomImg(img) {
		i1=getObj("Photo1");
		i2=getObj("Photo"+img);
		src1=i1.src;
		src2=i2.src;
		i1.src=src2;
		i2.src=src1;
		clicked=true;
}

function slideShow() {
	if (clicked || imgNb<2) return;
	curImg--;
	if (curImg<1) curImg=imgNb;
	if (!src) {
		src=new Array(imgNb);
		for (i=1;i<(imgNb+1);i++) {
			o=getObj("Photo"+i);
			src[i]=o.src;
		}
	}
	loopStart=curImg;
	for (i=1;i<(imgNb+1);i++) {
		o=getObj("Photo"+loopStart);
		o.src=src[i];
		loopStart++;
		if (loopStart>imgNb) loopStart=1;
	}
	setTimeout('slideShow()',5000);	
}