var PHOTO_WIDTH = 600;
var PHOTO_HEIGHT = 215;

function initPopup() {
//Set up onclick events. Pass in dynamic variables from WP.
	if(!document.getElementById('enlarge')) return 0;
	var link = document.getElementById('enlarge');
	link.onclick = function() {
		openWindow(this.href);
		return false;
	}
}

function openWindow(popUpURL) {
/* 	Opens a new window, centered on the page. */
   	
	w = PHOTO_WIDTH + 28;
	h = PHOTO_HEIGHT + 54;
	
	windowleft = (screen.width - w)/2;
	windowtop = (screen.height - h)/2;
	
	settings = "'toolbar=no,directories=no,menubar=no,scrollbars=no,resizable=no,status=no,width="+w+",height="+h+",left="+windowleft+",top="+windowtop+"'";
	
	newWin = window.open(popUpURL,'fullsize',settings);
	newWin.focus();
}