/**
 * Changes the page location to the specified URL.
 */
function goTo( url )
{
	if (url == "")
	{
		return false;
	}
	
	window.location = url;
	
	return true;
}

/**
 * Allows hover in nav.
 */
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);

/**
* Image Viewer
**/

function openWin(image,width,height)
{
	var URL_string = "../image_viewer.html?image=";
	var IMG_string = image;
	var new_URL_string = URL_string+IMG_string;
	link = window.open(new_URL_string,"Link1","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=no,width="+width+",height="+height+",left=100,top=100");
}