var xmlHttp;
var baseURL = "photo_small.php?sid = ";
var div;

function changePhoto(num,key,myDiv) {
	div=myDiv;
	queryString = "&num=" + num + "&key=" + key + "&div=" + myDiv;
	url = baseURL + Math.random() + queryString; 
	showContent(url);
}

function openWindow(url, name, option) {
	var newWindow = window.open(url, name, option);

	if (!newWindow) alert("The pop-up window has been blocked. Please check your pop-up blocker setting."); 
	else newWindow.focus(); 
}