/*  
	UK SWEDEN CORE JAVASCRIPT
	CREATED: 05.05.06
	MODIFIED: 30.06.06
	AUTHOR: ANDY FIELD
*/

/* DROP DOWN 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);

/* EXTERNAL LINK CODE - WORK AROUND FOR DEPRECATION OF TARGET LINK */

function externalLinks() { 
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && 
	anchor.getAttribute("rel") == "external") 
	anchor.target = "_blank"; 
	} 
} 
window.onload = externalLinks;

/* IMAGE TOGGLE CODE */

function toggleLayer (layername) 
{
	//toggle all the layers off one by one
	document.getElementById('slideshow').style.display = 'none';
	document.getElementById('noslideshow').style.display = 'none';
	
	//toggle the layer you want to show on
	document.getElementById(layername).style.display = 'block';
}