/**
 * Changes the page location to the specified URL.
 */
function goTo( url )
{
	if (url == "")
	{
		return false;
	}
	
	window.location = url;
	
	return true;
}
/**
 * Hides descriptions on Fishing Map Page
 */
var ie = false;
var lastNote = '';
if (document.all) { ie = true; }

function getObj(id) {
		if (ie) {
			return document.all[id];
		} else {
			return document.getElementById(id);
		}
	}

function showNote(name) {
		if (name == lastNote) {
			hideNote(name);
			return;
		}

		if (lastNote != '') { hideNote(lastNote); }
		var title = getObj(name + '_title');
		var body = getObj(name + '_body');
		//title.className = 'notehidden';
		body.className = 'notevisible';
		lastNote = name;
	}

function hideNote(name) {
		var title = getObj(name + '_title');
		var body = getObj(name + '_body');
		//title.className = 'note';
		body.className = 'notehidden';
		lastNote = '';
	}

/**
* 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");
}

/**
 * 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);