function onLoad() {
	document.getElementById("Site1.1").style.visibility = "visible";
	document.getElementById("Site2.1").style.visibility = "visible";						
	document.getElementById("Site3.1").style.visibility = "visible";						
}

function displaySlide(prefix,numPics,sNum) {
	for (i=0;i<numPics;i++) {
		j=i+1;
		document.getElementById(prefix+j).style.visibility = "hidden";
	}
	document.getElementById(prefix+sNum).style.visibility="visible";
}