/*  
*
 *  Forskjellig javascript for www.nu.no 2006
 *
/*--------------------------------------------------------------------------*/

// Innlogging:
function ShowLogin()
{
	var loginLinksLayer = 'loginLinks';
	var loginFieldsLayer = 'loginFields';

	if (document.getElementById(loginLinksLayer).style.display == "block") {
		document.getElementById(loginLinksLayer).style.display = "none";
		document.getElementById(loginFieldsLayer).style.display = "block";
	}
}
function toggleShowLogin()
{
	var loginLinksLayer = 'uloginOut';
	var loginFieldsLayer = 'uloginForm';

	if (document.getElementById(loginLinksLayer).style.display == "block") {
		document.getElementById(loginLinksLayer).style.display = "none";
		document.getElementById(loginFieldsLayer).style.display = "block";
	} else {
		document.getElementById(loginLinksLayer).style.display = "block";
		document.getElementById(loginFieldsLayer).style.display = "none";
	}
}	

// Scriptaculous Effects: 
Effect.OpenUp = function(element) {
  element = $(element);
  new Effect.BlindDown(element, arguments[1] || {});
}

Effect.CloseDown = function(element) {
  element = $(element);
  new Effect.BlindUp(element, arguments[1] || {});
}

Effect.Combo = function(element) {
  element = $(element);
  if(element.style.display == 'none') { new Effect.OpenUp(element, arguments[1] || {}); }
  else { new Effect.CloseDown(element, arguments[1] || {}); }
}

/*
pullquote function by Roger Johansson, http://www.456bereastreet.com/
*/
var pullquote = {
	init : function() {
	// Check that the browser supports the methods used
		if (!document.getElementById || !document.createElement || !document.appendChild) return false;
		var oElement, oPullquote, oPullquoteP, oQuoteContent, i, j;
	// Find all span elements with a class name of pullquote
		var arrElements = document.getElementsByTagName('span');
		var oRegExp = new RegExp("(^|\\s)pullquote(\\s|$)");
		for (i=0; i<arrElements.length; i++) {
	// Save the current element
			oElement = arrElements[i];
			if (oRegExp.test(oElement.className)) {
	// Create the blockquote and p elements
				oPullquote = document.createElement('blockquote');
				oPullquote.className = oElement.className
				oPullquoteP = document.createElement('p');
	// Insert the pullquote text
				for(j=0;j<oElement.childNodes.length;j++) {
					oPullquoteP.appendChild(oElement.childNodes[j].cloneNode(true));
				}
				oPullquote.appendChild(oPullquoteP);
	// Insert the blockquote element before the span elements parent element
				oElement.parentNode.parentNode.insertBefore(oPullquote,oElement.parentNode);
			}
		}
	}
};
// addEvent function from http://www.quirksmode.org/blog/archives/2005/10/_and_the_winner_1.html
function addEvent(obj, type, fn) {
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}
addEvent(window, 'load', pullquote.init);