var lang = "";
str = window.location.toString();

if (str.match(/eng.*?/)) {
	lang = "eng";
} else {
	lang = "welsh";
}

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;


function colourTextBox(field) {
	field.className = 'textBoxFocus';
}

function restoreTextBox(field) {
	field.className = 'textBox';
}

function switchPageLang() {
	url = location.href;
	url_check = str.search("eng");	
	if (url_check != -1) { 	
		replaceUrl = url.replace("eng","welsh");		
		document.location.href = replaceUrl;
	} else {
		replaceUrl = url.replace("welsh","eng");
		document.location.href = replaceUrl;			
	}
}

function changeLang(l) {
	language = l;
	url = location.href;	
	if (language = "eng") {
		replaceUrl = url.replace("eng","welsh");		
		document.location.href = replaceUrl;
	} else {
		replaceUrl = url.replace("welsh","eng");
		document.location.href = replaceUrl;
	}
}

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);