function switchEnlarged(div, photoURL){
	document.getElementById(div).innerHTML = '<img src="' + photoURL + '">';
}
function closePopup(x){
	document.getElementById(x).style.display = 'none';
	document.getElementById(x).style.visible = 'hidden';
}
function showPop(num){
	//hide all popups so only one is ever opened
	hidePopups();
  popup = 'popup'+num;

  winW = 225;
  winH = 215;
	
  if (document.documentElement && document.documentElement.scrollTop) {
    scrollX = document.documentElement.scrollLeft;
    scrollY = document.documentElement.scrollTop;
    } else if (document.body){
    scrollX = document.body.scrollLeft;
    scrollY = document.body.scrollTop;
      } else {
      scrollX = window.pageXOffset;
      scrollY = window.pageYOffset;
  }
  
  this.pgX = document.getElementsByTagName('html').item(0).clientWidth||document.getElementsByTagName('html').item(0).offsetWidth||document.body.offsetWidth||innerWidth;
	this.pgY = document.getElementsByTagName('html').item(0).clientHeight||document.getElementsByTagName('html').item(0).offsetHeight||document.body.offsetHeight||innerHeight;

  this.pgX2 = parseInt(this.pgX/2-winW+scrollX)||0;
	this.pgY2 = parseInt(this.pgY/2-winH+scrollY)||0;
  
  if (b.mac && b.safari) {
    setX(popup, pgX2+'px');
    setY(popup, pgY2-400+'px');
    } else {
      setX(popup, pgX2+'px');
      setY(popup, pgY2+'px');
  }
  
  showE(popup);
  document.getElementById(popup).style.display = 'block';
}

function hidePopups(){
	for (var i = 1; i < totalItems; i++) {
		closePopup('popup'+i);
	}
}