function showLayer(showThis, hideThis) {
	if (document.getElementById) {
		var showThisLayer = showThis;
		var hideThisLayer = hideThis;
    	document.getElementById(hideThisLayer).style.display = "none";
		document.getElementById(showThisLayer).style.display = "block";
	}
}

//////////////////////////////////////////////////////////////
//  function popUp()
//////////////////////////////////////////////////////////////

//  	Opens a mini browser window 
//		Content is determined by the pageID, which is a URL

var newWindow
var pageID
function popUp(pageID){
	newWindow = window.open(pageID,"","scrollbars,height=400,width=320")
}

//////////////////////////////////////////////////////////////
//  function popUpBig()
//////////////////////////////////////////////////////////////

//  	Opens a mini browser window 
//		Content is determined by the pageID, which is a URL

var newWindow
var pageID
function popUpBig(pageID){
	newWindow = window.open(pageID,"","scrollbars,resizable,height=700,width=670")
}

//////////////////////////////////////////////////////////////
//  function popUpBigger()
//////////////////////////////////////////////////////////////

//  	Opens a mini browser window 
//		Content is determined by the photoId, which is a URL

var newWindow
var photoID
function popUpBigger(photoId){
	newWindow = window.open(photoId,"","scrollbars,height=600,width=600")
}