defaultBlock = "aboutBlock";
defaultSWF = "flashGallery";

function showContent(showElement) {
     document.getElementById("aboutBlock").style.display = "none";
     document.getElementById("contactBlock").style.display = "none";
	 
     document.getElementById(showElement).style.display = "block";
}

function setDefaultBlock (newDefaultElement) {
     defaultBlock = newDefaultElement;
	 showContent (defaultBlock);
}

function showSWF(showElement) {
     document.getElementById("flashGallery").style.display = "none";
     document.getElementById("flashGallery_ThumbLand").style.display = "none";
	 
     document.getElementById(showElement).style.display = "block";
}

function setDefaultSWF(newDefaultElement) {
     defaultSWF = newDefaultElement;
	 showSWF (defaultSWF);
}