sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function gImg(path) {
	var ref = document.getElementById("mainImage");
	ref.src=path;
}

function gCaption(txt) {
	var para = document.getElementById("galleryCaption");
	var span = document.getElementById("gcInner");
	var newSpan = document.createElement("span");
	var newText = document.createTextNode(txt);
	newSpan.appendChild(newText);
	newSpan.setAttribute("id","gcInner");
	
	var replaced = para.replaceChild(newSpan,span);
}