/*
** Podmiana klas w elentach o nadanym id.
*/
function hasClass(obj,cName)
{
	return new RegExp('\\b'+cName+'\\b').test(obj.className);
}

function hasClasses(obj,classes)
{
     for (f=0; f<classes.length; f++)
	{
	     if (!hasClass(obj,classes[i])) return false;
     }
	return true;
}

function addClass(element,cName) 
{ 
	var obj=document.getElementById( element );
     if (!hasClass(obj,cName))
	{ 
     	obj.className+=obj.className?' '+cName:cName; 
     } 
     return true; 
}

function removeClass(element,cName)
{
	var obj=document.getElementById( element );
	if (!hasClass(obj,cName)) return false;
	var rep=obj.className.match(' '+cName)?' '+cName:cName;
	obj.className=obj.className.replace(rep,'');
	return true;
}

function swapClasses(element,class1,class2) 
{ 
	var obj=document.getElementById( element );
	
     if (hasClass(obj,class1))
	{
     	removeClass(obj,class1);
          addClass(obj,class2); return true;
     }
     if (hasClass(obj,class2))
	{
          removeClass(obj,class2);
          addClass(obj,class1); return true;
     }
	return false;
}

function switchClass(element,to,from)
{
	var obj=document.getElementById(element);
     if (hasClass(obj,from)) removeClass(element,from);
     addClass(element,to);
     return true;
} 

function getElementsByClassName(className,container,tag) { 
        container = container||document; 
        tag=tag||'*'; 
        var all = container.all||container.getElementsByTagName(tag);
        var found=new Array(); 
        for (f=0; f<all.length; f++) { 
                var el=all[f]; 
                if (hasClass(all[f],className)) { 
                        found.push(all[f]); 
                } 
        } 
        return found; 
 }

 
/* 
------------------------------------------
       Flipbox written by CrappoMan
       simonpatterson@dsl.pipex.com
------------------------------------------
*/
// <![CDATA[

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



// ]]>


// Browser safe opacity handling function

		
// 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_win = ((clientPC.indexOf('win') != -1) || (clientPC.indexOf('16bit') != -1));

var baseHeight;
//onload_functions.push('initInsertions()');

/**
* Fix a bug involving the TextRange object. From
* http://www.frostjedi.com/terra/scripts/demo/caretBug.html
*/ 
function initInsertions() 
{
	var doc;

	if (document.forms[form_name])
	{
		doc = document;
	}
	else 
	{
		doc = opener.document;
	}

	var textarea = doc.forms[form_name].elements[text_name];

	if (is_ie && typeof(baseHeight) != 'number')
	{
		textarea.focus();
		baseHeight = doc.selection.createRange().duplicate().boundingHeight;

		if (!document.forms[form_name])
		{
			document.body.focus();
		}
	}
}

/**
* bbstyle
*/
function bbstyle(bbnumber)
{	
	if (bbnumber != -1)
	{
		bbfontstyle(bbtags[bbnumber], bbtags[bbnumber+1]);
	} 
	else 
	{
		insert_text('[*]');
		document.forms[form_name].elements[text_name].focus();
	}
}

/**
* Apply bbcodes
*/
function bbfontstyle(bbopen, bbclose)
{
	theSelection = false;

	var textarea = document.forms[form_name].elements[text_name];

	textarea.focus();

	if ((clientVer >= 4) && is_ie && is_win)
	{
		// Get text selection
		theSelection = document.selection.createRange().text;

		if (theSelection)
		{
			// Add tags around selection
			document.selection.createRange().text = bbopen + theSelection + bbclose;
			document.forms[form_name].elements[text_name].focus();
			theSelection = '';
			return;
		}
	}
	else if (document.forms[form_name].elements[text_name].selectionEnd && (document.forms[form_name].elements[text_name].selectionEnd - document.forms[form_name].elements[text_name].selectionStart > 0))
	{
		mozWrap(document.forms[form_name].elements[text_name], bbopen, bbclose);
		document.forms[form_name].elements[text_name].focus();
		theSelection = '';
		return;
	}
	
	//The new position for the cursor after adding the bbcode
	var caret_pos = getCaretPosition(textarea).start;
	var new_pos = caret_pos + bbopen.length;		

	// Open tag
	insert_text(bbopen + bbclose);

	// Center the cursor when we don't have a selection
	// Gecko and proper browsers
	if (!isNaN(textarea.selectionStart))
	{
		textarea.selectionStart = new_pos;
		textarea.selectionEnd = new_pos;
	}	
	// IE
	else if (document.selection)
	{
		var range = textarea.createTextRange(); 
		range.move("character", new_pos); 
		range.select();
		storeCaret(textarea);
	}

	textarea.focus();
	return;
}


function insert_text(text, spaces, popup)
{
	var textarea;
	
	if (!popup) 
	{
		textarea = document.forms[form_name].elements[text_name];
	} 
	else 
	{
		textarea = opener.document.forms[form_name].elements[text_name];
	}
	if (spaces) 
	{
		text = ' ' + text + ' ';
	}
	
	if (!isNaN(textarea.selectionStart))
	{
		var sel_start = textarea.selectionStart;
		var sel_end = textarea.selectionEnd;

		mozWrap(textarea, text, '')
		textarea.selectionStart = sel_start + text.length;
		textarea.selectionEnd = sel_end + text.length;
	}
	else if (textarea.createTextRange && textarea.caretPos)
	{
		if (baseHeight != textarea.caretPos.boundingHeight) 
		{
			textarea.focus();
			storeCaret(textarea);
		}

		var caret_pos = textarea.caretPos;
		caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) == ' ' ? caret_pos.text + text + ' ' : caret_pos.text + text;
	}
	else
	{
		textarea.value = textarea.value + text;
	}
	if (!popup) 
	{
		textarea.focus();
	}
}
/**
* From http://www.massless.org/mozedit/
*/
function mozWrap(txtarea, open, close)
{
	var selLength = txtarea.textLength;
	var selStart = txtarea.selectionStart;
	var selEnd = txtarea.selectionEnd;
	var scrollTop = txtarea.scrollTop;

	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;
	txtarea.selectionStart = selEnd + open.length + close.length;
	txtarea.selectionEnd = txtarea.selectionStart;
	txtarea.focus();
	txtarea.scrollTop = scrollTop;

	return;
}

/**
* Insert at Caret 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();
	}
}

/**
* Color pallette
*/
function colorPalette(dir, width, height)
{
	var r = 0, g = 0, b = 0;
	var numberList = new Array(6);
	var color = '';

	numberList[0] = '00';
	numberList[1] = '33';
	numberList[2] = '66';
	numberList[3] = '99';
	numberList[4] = 'CC';
	numberList[5] = 'FF';

	document.writeln('<table cellspacing="0" cellpadding="0" border="0" align="center">');

	for (r = 0; r < 6; r++)
	{
		if (dir == 'h')
		{
			document.writeln('<tr>');
		}

		for (g = 0; g < 6; g++)
		{
			if (dir == 'v')
			{
				document.writeln('<tr>');
			}
			
			for (b = 0; b < 6; b++)
			{
				color = String(numberList[r]) + String(numberList[g]) + String(numberList[b]);
				document.write('<td bgcolor="#' + color + '" style="border: 1px solid white; width: ' + width + 'px; height: ' + height + 'px; " onmouseover="this.style.border=\'1px solid black\'" onmouseout="this.style.border=\'1px solid white\'">');
				document.write('<a href="javascript:void(0)" onclick="bbfontstyle(\'[color=#' + color + ']\', \'[/color]\'); return false;"><img src="images/spacer.gif" width="' + width + '" height="' + height + '" border="0" alt="#' + color + '" title="#' + color + '" /></a>');
				document.writeln('</td>');
			}

			if (dir == 'v')
			{
				document.writeln('</tr>');
			}
		}

		if (dir == 'h')
		{
			document.writeln('</tr>');
		}
	}
	document.writeln('</table>');
}

/***********************************************
* Drop Down/ Overlapping Content- &#169; Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
function getStyle(el,style)
{
	if(typeof el == "string")
		var element = document.getElementById(el);
	else
		var element = el;
	if (element.currentStyle)
		var value = element.currentStyle[style];
	else if (window.getComputedStyle)
		var value = document.defaultView.getComputedStyle(element,null).getPropertyValue(style);
	return value;
}


function getposOffset(overlay, offsettype){
   var totaloffset=(offsettype=='left')? overlay.offsetLeft : overlay.offsetTop;
   var parentEl=overlay.offsetParent;
   while (parentEl!=null) {
      if(getStyle(parentEl, "position") != "relative"){
	     totaloffset=(offsettype=='left')? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
      }
	  parentEl=parentEl.offsetParent;
   }
   return totaloffset;
}
   
function overlay(curobj, subobjstr, opt_position){
   if (document.getElementById){
      var subobj=document.getElementById(subobjstr)
      subobj.style.display=(subobj.style.display!='block')? 'block' : 'none'
      var xpos=getposOffset(curobj, 'left')+((typeof opt_position!='undefined' && opt_position.indexOf('right')!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
      var ypos=getposOffset(curobj, 'top')+((typeof opt_position!='undefined' && opt_position.indexOf('bottom')!=-1)? curobj.offsetHeight : 0)
      if(subobjstr == 's_pagina')
	 {
	 	 subobj.style.left=xpos-15+'px'
     	 subobj.style.top=ypos-10+'px'
	 }
	 else
	 {
	 	 subobj.style.left=xpos+'px'
      	 subobj.style.top=ypos+'px'
	 }

      return false
   }
   else
   return true
}

function overlayclose(subobj){
document.getElementById(subobj).style.display='none'
}

/**
* Caret Position object
*/
function caretPosition()
{
	var start = null;
	var end = null;
}


/**
* Get the caret position in an textarea
*/
function getCaretPosition(txtarea)
{
	var caretPos = new caretPosition();
	
	// simple Gecko/Opera way
	if(txtarea.selectionStart || txtarea.selectionStart == 0)
	{
		caretPos.start = txtarea.selectionStart;
		caretPos.end = txtarea.selectionEnd;
	}
	// dirty and slow IE way
	else if(document.selection)
	{
	
		// get current selection
		var range = document.selection.createRange();

		// a new selection of the whole textarea
		var range_all = document.body.createTextRange();
		range_all.moveToElementText(txtarea);
		
		// calculate selection start point by moving beginning of range_all to beginning of range
		var sel_start;
		for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++)
		{		
			range_all.moveStart('character', 1);
		}
	
		txtarea.sel_start = sel_start;
	
		// we ignore the end value for IE, this is already dirty enough and we don't need it
		caretPos.start = txtarea.sel_start;
		caretPos.end = txtarea.sel_start;			
	}

	return caretPos;
}

function displayWindow(url, width, height)
{
       var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',scrollbars=no,menubar=no,toolbar=no,location=no,status=no,resizable=no' );
}

function popup(url, width, height, name)
{
	if (!name)
	{
		name = '_popup';
	}

	window.open(url, name, 'height=' + height + ',resizable=yes,scrollbars=yes, width=' + width);
	return false;
}



function show_pagina(e)
{
	var scrolledX, scrolledY;
	if( self.pageYOffset ) {
	scrolledX = self.pageXOffset;
	scrolledY = self.pageYOffset;
	} else if( document.documentElement && document.documentElement.scrollTop ) {
	scrolledX = document.documentElement.scrollLeft;
	scrolledY = document.documentElement.scrollTop;
	} else if( document.body ) {
	scrolledX = document.body.scrollLeft;
	scrolledY = document.body.scrollTop;
	}
	document.getElementById('s_pagina').style.display='block';
	document.getElementById('s_pagina').style.left=e.clientX-35+scrolledX;
	document.getElementById('s_pagina').style.top=e.clientY+scrolledY-20;
	return;
}



function sb_move_up() {
	document.getElementById("shouts").scrollTop = document.getElementById("shouts").scrollTop-7;
}
function sb_move_down() {
	document.getElementById("shouts").scrollTop = document.getElementById("shouts").scrollTop+7;
}