function popup(url, width, height, scroll, title) {
	if (!title) { var title = "popup2"; }
	var winleft = (screen.width - width) / 2;
	var wintop = ((screen.height - height) / 2) - (screen.height/20);
	var w = window.open(url, title, "width="+width+",height="+height+",left="+winleft+",top="+wintop+",scrollbars="+scroll+",resizable=no");
	w.focus();
}

function IsNumeric(sText) {
	var ValidChars = "0123456789";
	var Char;
	for (i = 0; i < sText.length; i++) { 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) {
			return false;
		}
	}
	return true;
}

function checkForm() {
	var iMsg = '';
	document.iform.email.value = document.iform.email.value.replace(/ /gi,'');
	document.iform.email2.value = document.iform.email2.value.replace(/ /gi,'');

	if (document.iform.firstname.value.length < 2) {		iMsg += '* Förnamnet måste bestå av minst 2 tecken\n'; }
	if (document.iform.lastname.value.length < 2) {			iMsg += '* Efternamnet måste bestå av minst 2 tecken\n'; }

	if (document.iform.email.value.search(/^[-A-Za-z0-9_.]+[@][A-Za-z0-9_-]+([.][A-Za-z0-9_-]+)*[.][A-Za-z]{2,8}$/gi) == -1) { iMsg += '* Du har angivit en felaktigt e-postadress\n'; }
	if (document.iform.email.value != document.iform.email2.value) {iMsg += '* E-postadresserna matchar inte\n'; }
	if (document.iform.psw.value.length < 3) {			iMsg += '* Lösenordet måste bestå av minst 3 tecken\n'; }
	if (document.iform.psw.value != document.iform.psw2.value) {	iMsg += '* Lösenorden matchar inte\n'; }

	if (document.iform.iyear.value == 9999) {			iMsg += '* Du har inte angivit vilket år du är född\n'; }
	if (document.iform.imonth.value == 99) {			iMsg += '* Du har inte angivit vilken månad du är född\n'; }
	if (document.iform.iday.value == 99) {				iMsg += '* Du har inte angivit vilken dag du är född\n'; }

	if (document.iform.gender.value == '0') {			iMsg += '* Du måste ange ditt kön\n'; }

	if(!document.getElementById('acceptRule').checked) {		iMsg += '* Du måste acceptera medlemsvillkoren\n'; }

	if (iMsg == '') {
		var months = new Array();
		months['01'] = "januari";
		months['02'] = "februari";
		months['03'] = "mars";
		months['04'] = "april";
		months['05'] = "maj";
		months['06'] = "juni";
		months['07'] = "juli";
		months['08'] = "augusti";
		months['09'] = "september";
		months['10'] = "oktober";
		months['11'] = "november";
		months['12'] = "december";

		cstr =	"Korrekta uppgifter krävs för att kunna vinna.\n\n" + 
			"Kontrollera uppgifterna noggrant, innan du går vidare.\n\n" + 
			"Förnamn: " + document.iform.firstname.value + "\n" +
			"Efternamn: " + document.iform.lastname.value + "\n" +
			"E-post: " + document.iform.email.value + "\n" +
			"Födelsedata: " + (document.iform.iday.value.substr(0,1)==0?document.iform.iday.value.substr(1):document.iform.iday.value.substr(0)) + " " + months[document.iform.imonth.value] + " " + document.iform.iyear.value + "\n" +
			"Kön: " + (document.iform.gender.value==1?"Man":"Kvinna") + "\n" +
			"\nÄr dessa uppgifter korrekta?";

		if (confirm(cstr)) {
			document.iform.submit();
		}
	} else {
		alert('Följande gick fel:\n\n' + iMsg);
	}
}

function switchConditions (optvalue) {
	document.getElementById('gender').value = optvalue;
}

function checkAge() {
	if (returnAge() >= 18) { return true; } else { return false; }
}

function returnAge() {
	if (document.iform.iyear.value==9999 || document.iform.imonth.value==99 || document.iform.iday.value==99) {
		return -1;
	} else {
		var myDate = new Date();
		var today = new Date();
		myDate.setFullYear(document.iform.iyear.value, (document.iform.imonth.value-1), document.iform.iday.value);
		today.setFullYear(2012, 1, 22);

		var ayear = (today.getFullYear() - myDate.getFullYear())-1;

		if (today.getMonth() > myDate.getMonth()) {
			ayear++;
		} else if (today.getMonth() == myDate.getMonth() && today.getDate() >= myDate.getDate()) {
			ayear++;
		}
	}

	return ayear;
}

function CreateBookmark() {
	title = "lyckochans.se - otroligt fina priser!";
	url = "http://www.lyckochans.se/";

	if (window.sidebar) {
		window.sidebar.addPanel(title, url,"");
	} else if (window.external) {
		window.external.AddFavorite( url, title);
	} else if (window.opera && window.print) {
		return true;
	}
}

if (window.ActiveXObject) {	// IE
	var requester = new ActiveXObject("Microsoft.XMLHTTP");
} else {
	var requester = new XMLHttpRequest();
}

function doZipCheck () {
	if (document.getElementById('zipcode').value.length==5) {
		getFile(document.getElementById('city2'), document.getElementById('city'), '../_inc/getcity.php?zip=' + document.getElementById('zipcode').value);
	}
}

function getFile(obj,obj2,pURL) {
		requester.open("GET", pURL, true);
		requester.onreadystatechange =	function (){
							if (requester.readyState == 4 && requester.status == 200) {
								obj.value = requester.responseText;
								obj2.value = requester.responseText;
							}
						}
		requester.send(null);
		return true;
}

function checkNumber(eve) {
	var iCode = (eve.which) ? eve.which : event.keyCode;
	if (iCode > 31 && (iCode < 48 || iCode > 57)) { return false; }
	return true;
}