var isAHTMLEditorMode;
var msie = false;
var opera = false;
var msie7 =false;

var _domLoaded = [];

function attachDomLoaded(f)
{
	_domLoaded.push(f);
}

function detectClient()
{
	var userAgent = navigator.userAgent;
	msie = (userAgent.indexOf('MSIE') > 0);
	opera = (navigator.appName == 'Opera') || (userAgent.indexOf('Opera') > 0);
	msie7 = (userAgent.indexOf('MSIE 7.') > 0);
	if (typeof(isAHTMLEditorMode) == 'undefined')
	{
		isAHTMLEditorMode = false;
	}
}

detectClient();


if (
	typeof HTMLElement != 'undefined' 
	&& !HTMLElement.prototype.insertAdjacentElement
	&& typeof window.Range != 'undefined' 
	&& typeof Range.prototype.createContextualFragment == 'function'
)
{
	HTMLElement.prototype.insertAdjacentElement = function(where,parsedNode)
	{
		switch (where)
		{
		case 'beforeBegin':
			this.parentNode.insertBefore(parsedNode,this)
			break;
		case 'afterBegin':
			this.insertBefore(parsedNode,this.firstChild);
			break;
		case 'beforeEnd':
			this.appendChild(parsedNode);
			break;
		case 'afterEnd':
			if (this.nextSibling) 
				this.parentNode.insertBefore(parsedNode,this.nextSibling);
			else 
				this.parentNode.appendChild(parsedNode);
			break;
		}
	}

	HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr)
	{
		var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var parsedHTML = r.createContextualFragment(htmlStr);
		this.insertAdjacentElement(where,parsedHTML)
	}


	HTMLElement.prototype.insertAdjacentText = function(where,txtStr)
	{
		var parsedText = document.createTextNode(txtStr)
		this.insertAdjacentElement(where,parsedText)
	}
}

// Dean Edwards/Matthias Miller/John Resig

function init() {
    // quit if this function has already been called
    if (arguments.callee.done) return;

    // flag this function so we don't do the same thing twice
    arguments.callee.done = true;

    // kill the timer
    if (_timer) clearInterval(_timer);

    // do stuff
    for(var i = 0; i < _domLoaded.length; i++) _domLoaded[i]();
};

/* for Mozilla/Opera9 */
if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", init, false);
}

/* for Internet Explorer */
/*@cc_on @*/
/*@if (@_win32)
    document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
    var script = document.getElementById("__ie_onload");
    script.onreadystatechange = function() {
        if (this.readyState == "complete") {
            init(); // call the onload handler
        }
    };
/*@end @*/

/* for Safari */
if (/WebKit/i.test(navigator.userAgent)) { // sniff
    var _timer = setInterval(function() {
        if (/loaded|complete/.test(document.readyState)) {
            init(); // call the onload handler
        }
    }, 10);
}

/* for other browsers */
window.onload = init;

var hiddenTextIndex = 0;
var hiddenTexts = [];

var tabsDivIndex = 0;
var tabsDivPrefix = '$tabs$div$_';


if (typeof(addEvent) == 'undefined')
{
	function addEvent(elm, evType, fn, useCapture) 
	{
	        if (elm.addEventListener) 
		{
	                elm.addEventListener(evType, fn, useCapture);
	        	return true;
	        }
	        else if (elm.attachEvent) 
		{
	                var r = elm.attachEvent('on' + evType, fn);
	                return r;
	        }
	        else 
		{
	                elm['on' + evType] = fn;
	        }
	}
}

function getHTextHtml(hti)
{
	var html = ['<div><a class="blike" href="javascript:;" onclick="toggleHText(', hti, ')">'];
	var ht = hiddenTexts[hti];
	if (ht.hidden)
	{
		html.push('Показать</a></div>');
	}
	else
	{
		html.push('Скрыть</a></div>');
		html.push('<div style="padding: 2px;">');
		html.push(ht.data);
		html.push('</div>');
	}
	return html.join('');
}

function toggleHText(hti)
{
	var ht = hiddenTexts[hti];
	ht.hidden = !ht.hidden;
	ht.elt.innerHTML = getHTextHtml(hti);
	hideHTextsOf(ht.elt);
	rebuildTabsIn(ht.elt);
}

function hideHText(e)
{
	hiddenTextIndex++;
	hiddenTexts[hiddenTextIndex] = {hidden: true, elt: e, data: e.innerHTML};
	e.innerHTML = getHTextHtml(hiddenTextIndex);
	e.className = 'htext2';
}

function getElementsByClass(searchClass,node,tag) 
{
        var classElements = [];
        if (node == null)
                node = document;
        if (tag == null)
               tag = '*';
        var els = node.getElementsByTagName(tag);
        var elsLen = els.length;
        var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
        for (var i = 0; i < elsLen; i++) {
               if (pattern.test(els[i].className))
		{
                    classElements.push(els[i]);
              }
        }
        return classElements;
} 
function getChildrenByTag(node,tag) 
{
        var r = [];
        if (node == null)
                node = document;
        if (tag == null)
               tag = '*';
	else
		tag = tag.toLowerCase();
        var els = node.childNodes;
        var elsLen = els.length;
        for (var i = 0; i < elsLen; i++) {
		var e = els[i];
               if (e.nodeType == 1 && (tag == '*' || e.tagName.toLowerCase() == tag))
		{
                    r.push(e);
              }
        }
        return r;
} 


function getChildrenByClass(searchClass,node,tag) 
{
        var classElements = [];
        if (node == null)
                node = document;
        if (tag == null)
               tag = '*';
	else
		tag = tag.toLowerCase();
        var els = node.childNodes;
        var elsLen = els.length;
        var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
        for (var i = 0; i < elsLen; i++) {
		var e = els[i];
               if (e.nodeType == 1 && (tag == '*' || e.tagName.toLowerCase() == tag) && pattern.test(e.className))
		{
                    classElements.push(e);
              }
        }
        return classElements;
} 

function hideHTextsOf(b)
{                    
	var coll = getElementsByClass('htext', b, 'div');
	for (var i = 0; i < coll.length; i++)
	{
		hideHText(coll[i]);
	}
}

function hideHTexts()
{
	hideHTextsOf(document.body);
}

function rebuildTabsOf(tabs)
{
	tabsDivIndex++;
	tabs.id = tabsDivPrefix + tabsDivIndex;
	var enames = getChildrenByClass('tabn', tabs, 'div');
	var ec = getChildrenByClass('tabc', tabs, 'div');
	var thtml = [];
	thtml.push('<div style="overflow:hidden;"><div class="dtab" style="right: 0;"><ul class="dtab">');
	for (var i = 0; i < enames.length; i++)
	{
		if (i >= ec.length) break;
		var ecw = ec[i];
		if (msie && !msie7)
		{
			ecw = document.createElement('div');
			ecw.className = 'tabc_wrapper';
			ecw.style.width = '100%';
			ecw.style.display = 'none';
			ec[i].style.display = '';
			ecw.innerHTML = ec[i].outerHTML;
			if (tabs.replaceChild)
			{
				tabs.replaceChild(ecw, ec[i]);
			}
			else
			{
				tabs.insertBefore(ecw, ec[i]);
				tabs.removeChild(ec[i]);
			}
		}
		thtml.push('<li');
		if (i == 0)
		{
			thtml.push(' class="activeLink"');
			ecw.style.display = '';
		}
		else
		{
			ecw.style.display = 'none';
		}
		thtml.push('><a href="javascript:;" onclick="ui_switchAHTMLETab(\'');
		thtml.push(tabs.id);
		thtml.push('\', ');
		thtml.push(i);
		thtml.push(')"');
		thtml.push('>');
		thtml.push(enames[i].innerHTML);
		thtml.push('</a></li>');
		
	}
	thtml.push('</ul></div></div>');
	thtml = thtml.join('');

	for (var i = enames.length - 1; i >= 0; i--)
	{
		tabs.removeChild(enames[i]);
	}
	for (var i = tabs.childNodes.length - 1; i >= 0; i--)
	{
		if (tabs.childNodes[i].nodeType == 3)
		{
			tabs.removeChild(tabs.childNodes[i]);
		}
	}
	
	if (tabs.insertAdjacentHTML)
	{
		tabs.insertAdjacentHTML('afterBegin', thtml);
	}
	else
	{
		tabs.innerHTML = thtml + tabs.innerHTML;
	}
	tabs.className = 'tabs2';
}

function ui_switchAHTMLETab(parentn, index)
{
	var parent = document.getElementById(parentn);
	var ec = getChildrenByClass((msie && !msie7) ? 'tabc_wrapper' : 'tabc', parent, 'div');
	var ul = getElementsByClass('dtab', parent, 'ul')[0];
	var fs = getChildrenByTag(ul, 'font');
	if (fs.length > 0) ul = fs[0];
        var lis = getChildrenByTag(ul, 'li');
	for (var i = ec.length - 1; i >= 0; i--)
	{
		if (i >= lis.length) continue;
		var active =(i == index);
		ec[i].style.display = active ? '' : 'none';
		lis[i].className = active ? 'activeLink' : '';
	}
}


function rebuildTabsIn(b)
{
	var coll = getElementsByClass('tabs', b, 'div');
	for (var i = 0; i < coll.length; i++)
	{
		rebuildTabsOf(coll[i]);
	}
}

function rebuildTabs()
{
	rebuildTabsIn(document.body);
}

function aHtmlView_Init()
{
	hideHTexts();
	rebuildTabs();
}

if (!isAHTMLEditorMode)
{
	attachDomLoaded(aHtmlView_Init);
}