function scrollToPosition(idname){  
var theElement = document.getElementById(idname);   //document.formName.elementName; // or document.getElementById("idName")  
elemPosX = theElement.offsetLeft  
elemPosY = theElement.offsetTop;  
theElement = theElement.offsetParent;  

while(theElement != null){    
	elemPosX += theElement.offsetLeft     
	elemPosY += theElement.offsetTop;    
	theElement = theElement.offsetParent; 
	}  
	window.scrollTo(elemPosX ,elemPosY);
}

// globals
var contentChanged = false;
var needToConfirm = true;
   
  function confirmExit()
  {
    if (needToConfirm)
    {
    	if (contentChanged){
    		return "Du har gjort ändringar som kommer att gå förlorade om du inte sparar.";
    	}
    }
  } 
function confirmPopup(url, h, w, name)
{
 		var fortsatt = true;
     	if (contentChanged){
    		fortsatt=confirm("Du har gjort ändringar som kommer att gå förlorade om du inte sparar innan du fortsätter.\n\nVill du fortsätta ändå?");
    	}
    	if (fortsatt){
    		popup(url, h, w, name);
    	}
}
 
function generate_address( username, hostname, text ) {
    var atsign = "@";
    var addr = username + atsign + hostname;
    document.write( 
      "<span style=\"white-space: nowrap\"><" + "a" + " " + "href=" + "mai" + "lto:" + addr + " class=\"internlink\">" +
      text +
      "<\/a></span>");
  }

function popup(file,height,width,name)
{	
	window.open(file, name, "status=0, resizable=1, scrollbars=1, height=" + height + ", width=" + width + "" );
}

function refreshWindow(page){
	window.opener.location.href=page;
	self.close();
}

function refreshParentWindow(page){
  window.opener.location.href = page;

  if (window.opener.progressWindow)
		
 {
    window.opener.progressWindow.close()
  }
  window.close();
}


function confirmIt(msg)
{
    var is_confirmed = confirm(msg);
    if (is_confirmed) {
     return true;
    }
return false;
}


// from phpBB
// Startup variables
var imageTag = false;
var theSelection = false;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;
var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

// Helpline messages
b_help = "Fet text: [b]text[/b]";
i_help = "Kursiv text: [i]text[/i]";
u_help = "Understruken text: [u]text[/u]";
q_help = "Citattext: [quote]text[/quote]";
c_help = "Kod: [code]code[/code]";
l_help = "Lista: [list]text[/list]";
o_help = "Sorterad lista: [list=]text[/list]";
p_help = "Lägg in bild: [img]http://image_url[/img]";
w_help = "Lägg in URL: [url]http://url[/url] eller [url=http://url]URL text[/url]";
a_help = "Hyfsa alla taggar";
s_help = "Teckenfärg: [color=red]text[/color]  (Du kan också använda color=#FF0000)";
f_help = "Teckenstorlek: [size=x-small]liten text[/size]";
links_help = "Länkar: [url-utan-mellanslag Text som ska synas]";
htmlkod_help = "Formattera text med formatknappar, (all vanlig htmlkod tas bort)";

// Define the bbCode tags
bbcode = new Array();
bbtags = new Array ('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]');
imageTag = false;

// Shows the help messages in the helpline window
function helpline(help) {
	document.post.helpbox.value = eval(help + "_help");
}

// Replacement for arrayname.length property
function getarraysize(thearray) {
	for (i = 0; i < thearray.length; i++) {
		if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null))
			return i;
		}
	return thearray.length;
}

// Replacement for arrayname.push(value) not implemented in IE until version 5.5
// Appends element to the array
function arraypush(thearray,value) {
	thearray[ getarraysize(thearray) ] = value;
}

// Replacement for arrayname.pop() not implemented in IE until version 5.5
// Removes and returns the last element of an array
function arraypop(thearray) {
	thearraysize = getarraysize(thearray);
	retval = thearray[thearraysize - 1];
	delete thearray[thearraysize - 1];
	return retval;
}


function checkForm() {

	formErrors = false;

	if (document.post.brodtext.value.length < 2) {
		formErrors = "You must enter a brodtext when posting.";
	}

	if (formErrors) {
		alert(formErrors);
		return false;
	} else {
		bbstyle(-1);
		//formObj.preview.disabled = true;
		//formObj.submit.disabled = true;
		return true;
	}
}

function emoticon(text) {
	var txtarea = document.post.brodtext;
	text = ' ' + text + ' ';
	if (txtarea.createTextRange && txtarea.caretPos) {
		var caretPos = txtarea.caretPos;
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + text + ' ' : 

caretPos.text + text;
		txtarea.focus();
	} else {
		txtarea.value  += text;
		txtarea.focus();
	}
}

function bbfontstyle(bbopen, bbclose) {
	var txtarea = document.post.brodtext;

	if ((clientVer >= 4) && is_ie && is_win) {
		theSelection = document.selection.createRange().text;
		if (!theSelection) {
			txtarea.value += bbopen + bbclose;
			txtarea.focus();
			return;
		}
		document.selection.createRange().text = bbopen + theSelection + bbclose;
		txtarea.focus();
		return;
	}
	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
	{
		mozWrap(txtarea, bbopen, bbclose);
		return;
	}
	else
	{
		txtarea.value += bbopen + bbclose;
		txtarea.focus();
	}
	storeCaret(txtarea);
}


function bbstyle(bbnumber) {
	var txtarea = document.post.brodtext;

	txtarea.focus();
	donotinsert = false;
	theSelection = false;
	bblast = 0;

	if (bbnumber == -1) { // Close all open tags & default button names
		while (bbcode[0]) {
			butnumber = arraypop(bbcode) - 1;
			txtarea.value += bbtags[butnumber + 1];
			buttext = eval('document.post.addbbcode' + butnumber + '.value');
			eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
		}
		imageTag = false; // All tags are closed including image tags :D
		txtarea.focus();
		return;
	}

	if ((clientVer >= 4) && is_ie && is_win)
	{
		theSelection = document.selection.createRange().text; // Get text selection
		if (theSelection) {
			// Add tags around selection
			document.selection.createRange().text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
			txtarea.focus();
			theSelection = '';
			return;
		}
	}
	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
	{
		mozWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
		return;
	}

	// Find last occurance of an open tag the same as the one just clicked
	for (i = 0; i < bbcode.length; i++) {
		if (bbcode[i] == bbnumber+1) {
			bblast = i;
			donotinsert = true;
		}
	}

	if (donotinsert) {		// Close all open tags up to the one just clicked & default button names
		while (bbcode[bblast]) {
				butnumber = arraypop(bbcode) - 1;
				txtarea.value += bbtags[butnumber + 1];
				buttext = eval('document.post.addbbcode' + butnumber + '.value');
				eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
				imageTag = false;
			}
			txtarea.focus();
			return;
	} else { // Open tags

		if (imageTag && (bbnumber != 14)) {		// Close image tag before adding another
			txtarea.value += bbtags[15];
			lastValue = arraypop(bbcode) - 1;	// Remove the close image tag from the list
			document.post.addbbcode14.value = "Img";	// Return button back to normal state
			imageTag = false;
		}

		// Open tag
		txtarea.value += bbtags[bbnumber];
		if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed  image tag
		arraypush(bbcode,bbnumber+1);
		eval('document.post.addbbcode'+bbnumber+'.value += "*"');
		txtarea.focus();
		return;
	}
	storeCaret(txtarea);
}

// From http://www.massless.org/mozedit/
function mozWrap(txtarea, open, close)
{
	var selLength = txtarea.textLength;
	var selStart = txtarea.selectionStart;
	var selEnd = txtarea.selectionEnd;
	if (selEnd == 1 || selEnd == 2)
		selEnd = selLength;

	var s1 = (txtarea.value).substring(0,selStart);
	var s2 = (txtarea.value).substring(selStart, selEnd)
	var s3 = (txtarea.value).substring(selEnd, selLength);
	txtarea.value = s1 + open + s2 + close + s3;
	return;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
function storeCaret(textEl) {
	if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}