var title="";

function toggleImage(pxl,it){
    it.style.backgroundPosition="0px "+pxl+"px";
}

function changeFrettaAr(ar){
    var arin=document.getElementById("div_Arin").childNodes;
    for (i=0;i<arin.length;i++){
        if(arin[i].tagName=="DIV"){
            arin[i].style.display="none";
        }
    }
    document.getElementById("div_Ar_"+ar).style.display="block";
}
function hideAdrirVefir(){
    document.getElementById("divVefirAkraness").style.display="none";
    RemoveEvent(document.body,"mouseup",hideAdrirVefir);
}
function adrirVefirClick(){
    document.getElementById("divVefirAkraness").style.display="block";
    AddEvent(document.body,"mouseup",hideAdrirVefir);
}


function AddEvent(tObject, tEvent, tFunc){
	if (document.attachEvent)
	{
		tObject.attachEvent("on"+tEvent, tFunc);
	}
	else {
		tObject.addEventListener(tEvent,tFunc,false);
	}
}
	
function RemoveEvent(tObject, tEvent, tFunc){
	if (document.detachEvent)
	{
		tObject.detachEvent(tEvent, tFunc);
	}
	else
	{
		tObject.removeEventListener(tEvent,tFunc,false);
	}
}

function whatToTo(where){
    if(where!=""){
        document.location.href=where;
    }
}



function showMap(){
    document.getElementById("divCollapse").style.display="none";
    document.getElementById("divFlash").style.display="block";
    document.getElementById("ifrKort").src="/vefsja/index.html";
}



function setActiveStyleSheet(tTitle) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == tTitle){
				a.disabled = false;
			}
		}
	}
	title=tTitle;
	setButtons(tTitle);
}

function window_load(){
	var cookie = readCookie("style");
	title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

function setButtons(tTitle){
    var a=document.getElementById("imgA");
    var aa=document.getElementById("imgAA");
    switch(tTitle){
        case "Size2":
          a.style.backgroundPosition="0px 0px";
          a.style.cursor="pointer";
          aa.style.backgroundPosition="0px 0px";
          aa.style.cursor="pointer";
          break;    
        case "Size3":
          a.style.backgroundPosition="0px 0px";
          a.style.cursor="pointer";
          aa.style.backgroundPosition="0px -28px";
          aa.style.cursor="default";
          break;
        default:
          a.style.backgroundPosition="0px -28px";
          a.style.cursor="default";
          aa.style.backgroundPosition="0px 0px";
          aa.style.cursor="pointer";
    }
}

function fontLarger(){
    if(title=="Size1" || title==""){
        setActiveStyleSheet("Size2");
    }else{
        if(title=="Size2"){
            setActiveStyleSheet("Size3");
        }
    }
}
function fontSmaller(){
    if(title=="Size3"){
        setActiveStyleSheet("Size2");
    }else{
        if(title=="Size2"){
            setActiveStyleSheet("Size1");
        }
    }
}

function window_unload(){
	var title = getActiveStyleSheet();
	createCookie("style", title, 7);
}
function getPreferredStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1	&& a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title"))
			return a.getAttribute("title");
	}
	return null;
}
function getActiveStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1
			&& a.getAttribute("title")
			&& !a.disabled) return a.getAttribute("title");
		}
	return null;
}
function createCookie(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=/";
}
function readCookie(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;
}
function askrift(SID_ID, VEF_ID) {
    gluggi_askrift = window.open('http://nepal.vefurinn.is/fastar/postlistaskraning_1.asp?ASK_SID_ID='+SID_ID+'&VEF_ID='+VEF_ID,'image',"toolbar=0,scrollbars=0,location=0,status=0,menubar=0,width=350,height=300");
}