var prePopupOnclick=null;
function swapPopup() {
	var popup=document.getElementById("fiontar_popup");
	if(popup.style.display=="none") {
		popup.style.display="block";
		prePopupOnclick=document.body.onclick;
		document.body.onclick=swapPopup;
	} else {
		popup.style.display="none";
		document.body.onclick=prePopupOnclick;
	}
}


function resizeFeature() {
    frame = document.getElementById("frmFeature");
    var height = frame.contentWindow.document.body.scrollHeight;
    if (height < 150) height = 150;
    frame.style.height = height + "px";
}


//localizer object: takes care of switching between Irish and English:
var localizer=new Object();

//the currently selected language:
localizer.uilang='ga';

//This function runs when the page is loading.
localizer.start=function() {
	var uilang=cookieMaker.readCookie('uilang');
	if(!uilang) uilang="ga";
	this.set(uilang);
};

//function to swap languages
localizer.set=function(abbr) {
	this.uilang=abbr;

	var els=getElementsByClassName("cga");
	for(var i=0; i<els.length; i++) if(this.uilang=="ga") els[i].style.display="inline"; else els[i].style.display="none";

	var els=getElementsByClassName("cen");
	for(var i=0; i<els.length; i++) if(this.uilang=="en") els[i].style.display="inline"; else els[i].style.display="none";

	//set a cookie called "uilang":
	cookieMaker.createCookie("uilang", this.uilang, 2);

	//make the same change in iframes:
	var frm=frames["frmTextBrowser"]; if(frm && frm.localizer) frm.localizer.set(this.uilang);
	var frm=frames["frmPlace"]; if(frm && frm.localizer) frm.localizer.set(this.uilang);
	var frm = frames["frmChildren"]; if (frm && frm.localizer) frm.localizer.set(this.uilang);
	var frm = frames["frmFeature"]; if (frm && frm.localizer) frm.localizer.set(this.uilang);
	
	var frm=frames["frmMapBrowser"];
	if(frm) {
		var frm2=frm.frames[0];
		if(frm2 && frm2.localizer) {
			frm2.localizer.set(this.uilang);
		}
	}
};

//function to swap languages
localizer.setInvisibly=function(abbr) {
	this.uilang=abbr;

	//set a cookie called "uilang":
	cookieMaker.createCookie("uilang", this.uilang, 2);
};

//-------------------------------------------
//-------------------------------------------

//Object for working with cookies, by Peter-Paul Koch,
//stolen from the article on style switching at http://www.alistapart.com/articles/alternate/
var cookieMaker=new Object();

cookieMaker.createCookie=function(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
};

cookieMaker.readCookie=function(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
};

//-------------------------------------------
//-------------------------------------------
//getElementsByClassName
/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};


function addClassName(element, className) {
	if(element) {
		if(element.className=='')  element.className=className;
		else  element.className+=' '+className;
	}
};

function removeClassName(element, className) {
	if(element && element.className) {
		var newClassNames='';
		var classNames=element.className.split(' ');
		for(var i=0; i<classNames.length; i++) {
			if(classNames[i]!=className) {
				if(newClassNames!='') newClassNames+=' ';
				newClassNames+=classNames[i];
			}
		}
		element.className=newClassNames;
	}
};