if (document.images) {



	prevarw = new Image
	prevarw.src = "http://www.outdoorphotoworkshops.com/cpg/images/prev.jpg"
	prevarw_ro = new Image
	prevarw_ro.src = "http://www.outdoorphotoworkshops.com/cpg/images/prev_ro.jpg"

	nextarw = new Image
	nextarw.src = "http://www.outdoorphotoworkshops.com/cpg/images/next.jpg"
	nextarw_ro = new Image
	nextarw_ro.src = "http://www.outdoorphotoworkshops.com/cpg/images/next_ro.jpg"


}
	function chgImg(imgField,newImg) {
	if (document.images) {
	document[imgField].src= eval(newImg + ".src")
	}
}


 
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);