/*
	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);
};
//Above code written by Robert Nyman


/*******************************
**Kolla s� att emailadressen �r giltig*
********************************/
function validate_email(field,alerttxt)
{
	with (field)
	{	
		apos = value.indexOf("@");
		dotpos = value.lastIndexOf(".");
		if (apos< 1 || dotpos-apos< 2) 
		{
			alert(alerttxt);
			return false;
		}
		else 
		{
			return true;
		}
	}
}
/****************************
Kolla formul�ret s� inget saknas**
*****************************/
function check()
{
	var length = document.forms[0].length-2;
	with(document.forms[0])
	{
		for(i=0;i< length;i++)
		{
			if(elements[i].value == "")
			{
				alert("You forgot to fill in your " + elements[i].name);
				elements[i].focus();
				return false;
			}
			if (validate_email(email,"Not a valid e-mail address!") == false)
			{
				elements[2].focus();
				return false;
			}
		}
	}
return true;
}

function check2()
{
	var length = document.forms[1].length-2;
	with(document.forms[1])
	{
		for(i=0;i< length;i++)
		{
			if(elements[i].value == "")
			{
				alert("You forgot to fill in your " + elements[i].name);
				elements[i].focus();
				return false;
			}
			if (validate_email(email,"Not a valid e-mail address!") == false)
			{
				elements[i].focus();
				return false;
			}
			if (elements[i].value == "your name..." || elements[i].value == "your email..." || elements[i].value == "Write your message here...")
			{
				elements[i].focus();
				return false;
			}
		}
		var submitted = false;
		if (submitted == true) {return;}
		document.forms[1].submit();
		document.forms[1].skicka.value = 'Thank you!';
		document.forms[1].message.className = 'logingray';
		document.forms[1].skicka.disabled = true;
		submitted = true;
	}
return true;
}

/***************************
Inloggnings-ruta, fram och bort*
****************************/
function closeLog()
{
	document.getElementById("logwindow").style.display="none";
}
function openLog()
{
	document.getElementById("logwindow").style.display="block";
}

//Bekr�fta att du vill ta bort.
function confirmation()
{
	var conf = confirm("Do you want to delete this?");
	if (conf){ return true; }
	else{ return false; }
}

/***************
**JQUERY KONAMI*
***************/
/*$(document).ready(function() 
{
	var contraPic 		= new image(1002,152);
	contraPic.src 	= "bilder/contra.png";
}*/

(function($) 
{
	var konamiListeners = [];
	
	var kode = [38, 38, 40, 40, 37, 39, 37, 39, 66, 65];
	var progress = 0;

	$.extend
	({
		konami: function(listener, sequence) 
		{
			konamiListeners.push(listener);
			
			if (sequence) kode = sequence;
		}
	});

	$(document)
		.bind("keyup", function(event) 
		{
			var c = event.keyCode;
			
			if (c == kode[progress])
				progress++;
			else
				progress = c == kode[0] ? 1 : 0;

			if (progress == kode.length) 
			{
				if (konamiListeners.length > 0) {
					$.each(konamiListeners, function(item) 
					{
						this();
					});
				}
			}
		});
})(jQuery);

$.konami(function() 
{
	getElementsByClassName("header")[0].style.background = "url(bilder/contra.png)";
});