function setSubNavInvisible() {
		var navMenu = document.getElementById("nav");
		var navMenuLinks = navMenu.getElementsByTagName("a");
		
		for(var i=0;i<navMenuLinks.length;i++) {
		if(navMenuLinks[i].className=="menuItem") {
			navMenuLinks[i].nextSibling.style.display = "none"
			
		}
	}

}

function subMenuInitialize() {

	var pageCrest = document.getElementById("page1Content");
	//if(pageCrest.childNodes[0].firstChild.nodeValue==null) return false;
	var PCvalue =pageCrest.childNodes[0].firstChild.nodeValue;
	var navMenu = document.getElementById("nav");
	var navMenuLinks = navMenu.getElementsByTagName("a");


	for(var i=0;i<navMenuLinks.length;i++) {
		if(navMenuLinks[i].className=="menuItem" && PCvalue.indexOf(navMenuLinks[i].firstChild.nodeValue)!=-1) {
			navMenuLinks[i].className += " currentPage"
			navMenuLinks[i].nextSibling.style.display = "block"
			}
	}
}

function photoGallery() {
	
	var photoGallery = document.getElementById("photoGallery");
	if(!photoGallery) return false;
	var photoGalleryLinks = photoGallery.getElementsByTagName("a");
	var bigImage = document.getElementById("bigImage");
	for(var i=0;i<photoGalleryLinks.length;i++) {
	
		photoGalleryLinks[i].onmouseover = function() {
			bigImage.setAttribute("src",this.getAttribute("href"))
			
		}
		photoGalleryLinks[i].onclick = function() {
			return false;
			
		}
		
	}

}

window.onload = function() {
setSubNavInvisible()
subMenuInitialize()
 photoGallery()
}