<!--

var uagent    = navigator.userAgent.toLowerCase();
var is_safari = ( (uagent.indexOf('safari') != -1) || (navigator.vendor == "Apple Computer, Inc.") );
var is_ie     = ( (uagent.indexOf('msie') != -1) && (!is_opera) && (!is_safari) && (!is_webtv) );
var is_ie4    = ( (is_ie) && (uagent.indexOf("msie 4.") != -1) );
var is_moz    = (navigator.product == 'Gecko');
var is_ns     = ( (uagent.indexOf('compatible') == -1) && (uagent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_safari) );
var is_ns4    = ( (is_ns) && (parseInt(navigator.appVersion) == 4) );
var is_opera  = (uagent.indexOf('opera') != -1);
var is_kon    = (uagent.indexOf('konqueror') != -1);
var is_webtv  = (uagent.indexOf('webtv') != -1);

var is_win    =  ( (uagent.indexOf("win") != -1) || (uagent.indexOf("16bit") !=- 1) );
var is_mac    = ( (uagent.indexOf("mac") != -1) || (navigator.vendor == "Apple Computer, Inc.") );
var ua_vers   = parseInt(navigator.appVersion);

var text_enter_url       = "Введите полный URL ссылки";
var text_enter_page      = "Введите номер страницы";
var text_enter_url_name  = "Введите название сайта";
var text_enter_page_name = "Введите описание ссылки";
var text_enter_image    = "Введите полный URL изображения";
var text_enter_email    = "Введите e-mail адрес";
var text_code           = "Использование: [CODE] Здесь Ваш код.. [/CODE]";
var text_quote          = "Использование: [QUOTE] Здесь Ваша Цитата.. [/QUOTE]";
var error_no_url        = "Вы должны ввести URL";
var error_no_title      = "Вы должны ввести название";
var error_no_email      = "Вы должны ввести e-mail адрес";
var prompt_start        = "Введите текст для форматирования";
var img_title   		= "Введите по какому краю выравнивать картинку (left, center, right)";
var email_title  	    = "Введите описание ссылки (необязательно)";

var B_open = 0;
var I_open = 0;
var U_open = 0;
var S_open = 0;
var QUOTE_open = 0;
var CODE_open = 0;
var SQL_open = 0;
var HTML_open = 0;
var LEFT_open = 0;
var CENTER_open = 0;
var RIGHT_open = 0;
var HIDE_open = 0;
var COLOR_open = 0;
var ie_range_cache = '';

var selField  = "g2_text";

var bbtags   = new Array();

var fombj    = document.getElementById( 'guestbook' );


function stacksize(thearray)
{
	for (i = 0 ; i < thearray.length; i++ )
	{
		if ( (thearray[i] == "") || (thearray[i] == null) || (thearray == 'undefined') )
		{
			return i;
		}
	}

	return thearray.length;
}

function pushstack(thearray, newval)
{
	arraysize = stacksize(thearray);
	thearray[arraysize] = newval;
}

function popstack(thearray)
{
	arraysize = stacksize(thearray);
	theval = thearray[arraysize - 1];
	delete thearray[arraysize - 1];
	return theval;
}

function setFieldName(which)
{
            if (which != selField)
            {
				allcleartags();
                selField = which;

            }
}


function cstat()
{
	var c = stacksize(bbtags);

	if ( (c < 1) || (c == null) ) {
		c = 0;
	}

	if ( ! bbtags[0] ) {
		c = 0;
	}


}


function closeall()
{
	if (bbtags[0])
	{
		while (bbtags[0])
		{
			tagRemove = popstack(bbtags)
			var closetags = "[/" + tagRemove + "]";

			eval ("fombj." +selField+ ".value += closetags");

			if ( (tagRemove != 'FONT') && (tagRemove != 'SIZE') )
			{
				eval(tagRemove + "_open = 0");
				document.getElementById( 'b_' + tagRemove ).className = 'editor_button';

			}
		}
	}

	bbtags = new Array();

}


function emoticon(theSmilie)
{
	doInsert(" " + theSmilie + " ", "", false);
}


function simpletag(thetag)
{
	var tagOpen = eval(thetag + "_open");


		if (tagOpen == 0)
		{
			if(doInsert("[" + thetag + "]", "[/" + thetag + "]", true))
			{
				eval(thetag + "_open = 1");
				document.getElementById( 'b_' + thetag ).className = 'editor_buttoncl';

				pushstack(bbtags, thetag);
				cstat();

			}
		}
		else
		{
			lastindex = 0;

			for (i = 0 ; i < bbtags.length; i++ )
			{
				if ( bbtags[i] == thetag )
				{
					lastindex = i;
				}
			}

			while (bbtags[lastindex])
			{
				tagRemove = popstack(bbtags);
				doInsert("[/" + tagRemove + "]", "", false)


				if ( (tagRemove != 'FONT') && (tagRemove != 'SIZE') )
				{
					eval(tagRemove + "_open = 0");
					document.getElementById( 'b_' + tagRemove ).className = 'editor_button';
				}
			}

			cstat();
		}

}

function pagelink()
{
    var FoundErrors = '';
	var thesel ='';
	if ( (ua_vers >= 4) && is_ie && is_win)
	{
	thesel = document.selection.createRange().text;
	} else thesel ='Страница';

    if (!thesel) {
        thesel ='Страница';
    }

    var enterURL   = prompt(text_enter_page, "1");
    var enterTITLE = prompt(text_enter_page_name, thesel);

    if (!enterURL) {
        FoundErrors += " " + error_no_url;
    }
    if (!enterTITLE) {
        FoundErrors += " " + error_no_title;
    }

    if (FoundErrors) {
        alert("Error!"+FoundErrors);
        return;
    }

	doInsert("[PAGE="+enterURL+"]"+enterTITLE+"[/PAGE]", "", false);
}

function tag_url()
{
    var FoundErrors = '';
	var thesel ='';
	if ( (ua_vers >= 4) && is_ie && is_win)
	{
	thesel = document.selection.createRange().text;
	} else thesel ='My Webpage';

    if (!thesel) {
        thesel ='My Webpage';
    }

    var enterURL   = prompt(text_enter_url, "http://");
    var enterTITLE = prompt(text_enter_url_name, thesel);

    if (!enterURL) {
        FoundErrors += " " + error_no_url;
    }
    if (!enterTITLE) {
        FoundErrors += " " + error_no_title;
    }

    if (FoundErrors) {
        alert("Error!"+FoundErrors);
        return;
    }

	doInsert("[URL="+enterURL+"]"+enterTITLE+"[/URL]", "", false);
}


function tag_email()
{
    var emailAddress = prompt(text_enter_email, "");

    if (!emailAddress) {
		alert(error_no_email);
		return;
	}

	var thesel ='';
	if ( (ua_vers >= 4) && is_ie && is_win)
	{
	thesel = document.selection.createRange().text;
	} else thesel ='';

    if (!thesel) {
        thesel ='';
    }

	var Title = prompt(email_title, thesel);

if (!Title) Title = emailAddress;

	doInsert("[EMAIL="+emailAddress+"]"+Title+"[/EMAIL]", "", false);
}

function doInsert(ibTag, ibClsTag, isSingle)
{
	var isClose = false;
	var obj_ta = eval('fombj.'+ selField);

	if ( (ua_vers >= 4) && is_ie && is_win)
	{
		if (obj_ta.isTextEdit)
		{
			obj_ta.focus();
			var sel = document.selection;
			var rng = ie_range_cache ? ie_range_cache : sel.createRange();
			rng.colapse;
			if((sel.type == "Text" || sel.type == "None") && rng != null)
			{
				if(ibClsTag != "" && rng.text.length > 0)
					ibTag += rng.text + ibClsTag;
				else if(isSingle)
					isClose = true;

				rng.text = ibTag;
			}
		}
		else
		{
			if(isSingle)
			{
				isClose = true;
			}

			obj_ta.value += ibTag;
		}
		rng.select();
	ie_range_cache = null;

	}
	else if ( obj_ta.selectionEnd )
	{
		var ss = obj_ta.selectionStart;
		var st = obj_ta.scrollTop;
		var es = obj_ta.selectionEnd;

		if (es <= 2)
		{
			es = obj_ta.textLength;
		}

		var start  = (obj_ta.value).substring(0, ss);
		var middle = (obj_ta.value).substring(ss, es);
		var end    = (obj_ta.value).substring(es, obj_ta.textLength);

		if (obj_ta.selectionEnd - obj_ta.selectionStart > 0)
		{
			middle = ibTag + middle + ibClsTag;
		}
		else
		{
			middle = ibTag + middle;

			if (isSingle)
			{
				isClose = true;
			}
		}

		obj_ta.value = start + middle + end;

		var cpos = ss + (middle.length);

		obj_ta.selectionStart = cpos;
		obj_ta.selectionEnd   = cpos;
		obj_ta.scrollTop      = st;


	}
	else
	{
		if (isSingle)
		{
			isClose = true;
		}

		obj_ta.value += ibTag;
	}

	obj_ta.focus();
	return isClose;
}

function getOffsetTop(obj)
{
	var top = obj.offsetTop;

	while( (obj = obj.offsetParent) != null )
	{
		top += obj.offsetTop;
	}

	return top;
}

function getOffsetLeft(obj)
{
	var top = obj.offsetLeft;

	while( (obj = obj.offsetParent) != null )
	{
		top += obj.offsetLeft;
	}

	return top;
}

-->