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);



style_code = new Array();

style_tags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]');





function style_diary(style_number) {

	var txtarea = document.post.f_text;



	txtarea.focus();

	donotinsert = false;

	theSelection = false;

	bblast = 0;



	if (style_number == -1) { // Close all open tags & default button names

		while (style_code[0]) {

			butnumber = arraypop(style_code) - 1;

			txtarea.value += style_tags[butnumber + 1];

			buttext = eval('document.post.addstyle_code' + butnumber + '.value');

			eval('document.post.addstyle_code' + 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 = style_tags[style_number] + theSelection + style_tags[style_number+1];

			txtarea.focus();

			theSelection = '';

			return;

		}

	}

	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))

	{

		mozWrap(txtarea, style_tags[style_number], style_tags[style_number+1]);

		return;

	}



	// Find last occurance of an open tag the same as the one just clicked

	for (i = 0; i < style_code.length; i++) {

		if (style_code[i] == style_number+1) {

			bblast = i;

			donotinsert = true;

		}

	}



	if (donotinsert) {		// Close all open tags up to the one just clicked & default button names

		while (style_code[bblast]) {

				butnumber = arraypop(style_code) - 1;

				txtarea.value += style_tags[butnumber + 1];

				buttext = eval('document.post.addstyle_code' + butnumber + '.value');

				eval('document.post.addstyle_code' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');

				imageTag = false;

			}

			txtarea.focus();

			return;

	} else { // Open tags



		if (imageTag && (style_number != 14)) {		// Close image tag before adding another

			txtarea.value += style_tags[15];

			lastValue = arraypop(style_code) - 1;	// Remove the close image tag from the list

			document.post.addstyle_code14.value = "Img";	// Return button back to normal state

			imageTag = false;

		}



		// Open tag

		txtarea.value += style_tags[style_number];

		if ((style_number == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag

		arraypush(style_code,style_number+1);

		eval('document.post.addstyle_code'+style_number+'.value += "*"');

		txtarea.focus();

		return;

	}

	storeCaret(txtarea);

}



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();

}





function doInsert(res)  //insert_image_into_diary

{

	var txtarea = document.post.f_text;

	//res='[img]' + res + '[/img]';



	//IE support

	if (document.selection) {

	txtarea.focus();

	sel = document.selection.createRange();

	sel.text = res;

	}

	//MOZILLA/NETSCAPE support

	else if (txtarea.selectionStart || txtarea.selectionStart == '0')

	{

		var startPos = txtarea.selectionStart;

		var endPos = txtarea.selectionEnd;

		txtarea.value = txtarea.value.substring(0, startPos) + res + txtarea.value.substring(endPos, txtarea.value.length);

	}

	else

	{

		txtarea.value += res;

	}



}



function insert_image_into_diary(res)

{

	res='[img]' + res + '[/img]';

	doInsert(res);

}





function tag_url()

{

	var txtarea = document.post.f_text;



	var seltext = '';



	//IE support

	if (document.selection)

	{

		txtarea.focus();

		sel = document.selection.createRange();

		seltext = sel.text;// = res;

	}

	//MOZILLA/NETSCAPE support

	else if (txtarea.selectionStart || txtarea.selectionStart == '0')

	{

		var startPos = txtarea.selectionStart;

		var endPos = txtarea.selectionEnd;

		seltext = txtarea.value.substring(startPos, endPos);

	}



	if (seltext=='')

	{

		seltext = 'My Webpage';

	}



	var FoundErrors = '';

    var enterURL   = prompt('Įveskite nuoruodą', "http://");

    var enterTITLE = prompt('Įveskite nuoruodos pavadinimą', seltext);



    if (!enterURL)

	{

        FoundErrors += "\n" + 'Neįvedėte nuoruodos.';

    }

    if (!enterTITLE)

	{

        FoundErrors += "\n" + 'Neįvedėte nuoruodos pavadinimo.';

    }



    if (FoundErrors) {

        alert("Klaida: " + FoundErrors);

        return;

    }



	doInsert("[url="+enterURL+"]"+enterTITLE+"[/url]" );

}





function popas(id)

{

    url = 'http://www.glimstedt.ee/rss/pop_text.php?id=' + id;

    kas = window.open(url,'pop','width=650, height=340,top='+(screen.height-170)/4+',left='+(screen.width-700)/2+',location=no,directories=no,status=no,menuBar=no,scrollBars=no,resizable=no');

}