function startUp(){
	document.getElementById("photo2").style.display="none";

//alert (document.getElementById("photo2").style.display);
	setTimeout("switchElement1();", 3000);
}
function switchElement1(){
	var el1=document.getElementById("photo1");
	var el2=document.getElementById("photo2");


//alert (document.getElementById("photo1").style.display);


//	alert ('Display:'+el1.style.visibility);
	if (document.getElementById("photo2").style.display == "none") {
		document.getElementById("photo2").style.display = "inline";
		document.getElementById("photo1").style.display = "none";

		setTimeout("switchElement1();", 3000);
	 }else {
		document.getElementById("photo1").style.display = "inline";
		document.getElementById("photo2").style.display = "none";
		setTimeout("switchElement1();", 3000);		
	}
}