// This javascript was originally written by Alex King: www.alexking.org
// Modifications noted below were made by Jennifer of scriptygoddess.com :
// Removed all but the "most popular" html tags used in comments
// with the express purpose of including it in the comments form on blogs
// These changes were made on 6/10/2004
// 
// For the FULL version of Alex's script (which has ALOT MORE functionality!
// go here: 
// http://www.alexking.org/blog/2004/06/03/js-quicktags-under-lgpl/
//
// JS QuickTags version 1.0
//
// 2nd modification by Severin Pick
// http://www.severin-pick.de for www.filmernetzwerk.de
//
// Copyright (c) 2002-2004 Alex King
// http://www.alexking.org/
//
// Licensed under the LGPL license
// http://www.gnu.org/copyleft/lesser.html
//
// **********************************************************************
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
// **********************************************************************
//
// This JavaScript will insert the tags below at the cursor position in IE and 
// Gecko-based browsers (Mozilla, Camino, Firefox, Netscape). For browsers that 
// do not support inserting at the cursor position (Safari, OmniWeb) it appends
// the tags to the end of the content.
//
// The variable 'edCanvas' must be defined as the <textarea> element you want 
// to be editing in. See the accompanying 'index.html' page for an example.

var edButtons = new Array();
var edLinks = new Array();
var edOpenTags = new Array();

function edButton(id, display, tagStart, tagEnd, open) {
	this.id = id;				// used to name the toolbar button
	this.display = display;		// label on button
	this.tagStart = tagStart; 	// open tag
	this.tagEnd = tagEnd;		// close tag
	this.open = open;			// set to -1 if tag does not need to be closed
}

edButtons[edButtons.length] = new edButton('ed_bold', 'text_bold', '[b]', '[/b]');
edButtons[edButtons.length] = new edButton('ed_italic', 'text_italic', '[i]', '[/i]');
edButtons[edButtons.length] = new edButton('ed_underline', 'text_underline', '[u]', '[/u]');
edButtons[edButtons.length] = new edButton('ed_strikethrough', 'text_strikethrough', '[s]','[/s]');

edButtons[edButtons.length] = new edButton('ed_link','link','','[/url]');
edButtons[edButtons.length] = new edButton('ed_film','film','','');
edButtons[edButtons.length] = new edButton('ed_image','image','','');

function edShowButton(button, i) {
	if (button.id == 'ed_link') {
    document.write('<img id="' + button.id + '" src="images/icons/' + button.display + '.png" alt="" onclick="edInsertLink(edCanvas, ' + i + ');" />');
	}
	else if (button.id == 'ed_image') {
	  document.write('<img id="' + button.id + '" src="images/icons/' + button.display + '.png" alt="" onclick="edImage(edCanvas, ' + i + ');" />');
	}
	else if (button.id == 'ed_film') {
	  document.write('<img id="' + button.id + '" src="images/icons/' + button.display + '.png" alt="" onclick="showhide(\'film\');" />');
	  document.write('<ul id="film">');
	  document.write('<li onclick="edFilm(edCanvas, ' + i + ',\'sl\');">von Sevenload</li>');
	  document.write('<li onclick="edFilm(edCanvas, ' + i + ',\'yt\');">von YouTube</li>');
	  document.write('<li onclick="edFilm(edCanvas, ' + i + ',\'gv\');">von GoogleVideo</li>');
	  document.write('<li onclick="hide(\'film\');">Schließen</li>');
	  document.write('</ul>');
	}
	else {	
    document.write('<img id="' + button.id + '" src="images/icons/' + button.display + '.png" alt="Fett" onclick="edInsertTag(edCanvas, ' + i + ');" />');
	}
}

function edAddTag(button) {
	if (edButtons[button].tagEnd != '') {
		edOpenTags[edOpenTags.length] = button;
		document.getElementById(edButtons[button].id).value = '/' + document.getElementById(edButtons[button].id).value;
	}
}

function edRemoveTag(button) {
	for (i = 0; i < edOpenTags.length; i++) {
		if (edOpenTags[i] == button) {
			edOpenTags.splice(i, 1);
			document.getElementById(edButtons[button].id).value = 		document.getElementById(edButtons[button].id).value.replace('/', '');
		}
	}
}

function edCheckOpenTags(button) {
	var tag = 0;
	for (i = 0; i < edOpenTags.length; i++) {
		if (edOpenTags[i] == button) {
			tag++;
		}
	}
	if (tag > 0) {
		return true; // tag found
	}
	else {
		return false; // tag not found
	}
}	

function edCloseAllTags() {
	var count = edOpenTags.length;
	for (o = 0; o < count; o++) {
		edInsertTag(edCanvas, edOpenTags[edOpenTags.length - 1]);
	}
}

function edToolbar() {
	document.write('<ul id="ed_toolbar">');
	for (i = 0; i < edButtons.length; i++) {
    document.write("<li>");
		edShowButton(edButtons[i], i);
    document.write("</li>");
	}
	document.write('<li><img id="ed_close" src="images/icons/tag.png" alt="Tags schließen" title="Tags schließen" onclick="edCloseAllTags();" /></li>');
	document.write('</ul>');
}

// insertion code

function edInsertTag(myField, i) {
	//IE support
	if (document.selection) {
		myField.focus();
	    sel = document.selection.createRange();
		if (sel.text.length > 0) {
			sel.text = edButtons[i].tagStart + sel.text + edButtons[i].tagEnd;
		}
		else {
			if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') {
				sel.text = edButtons[i].tagStart;
				edAddTag(i);
			}
			else {
				sel.text = edButtons[i].tagEnd;
				edRemoveTag(i);
			}
		}
		myField.focus();
	}
	//MOZILLA/NETSCAPE support
	else if (myField.selectionStart || myField.selectionStart == '0') {
		var startPos = myField.selectionStart;
		var endPos = myField.selectionEnd;
		var cursorPos = endPos;
		if (startPos != endPos) {
			myField.value = myField.value.substring(0, startPos)
			              + edButtons[i].tagStart
			              + myField.value.substring(startPos, endPos) 
			              + edButtons[i].tagEnd
			              + myField.value.substring(endPos, myField.value.length);
			cursorPos += edButtons[i].tagStart.length + edButtons[i].tagEnd.length;
		}
		else {
			if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') {
				myField.value = myField.value.substring(0, startPos) 
				              + edButtons[i].tagStart
				              + myField.value.substring(endPos, myField.value.length);
				edAddTag(i);
				cursorPos = startPos + edButtons[i].tagStart.length;
			}
			else {
				myField.value = myField.value.substring(0, startPos) 
				              + edButtons[i].tagEnd
				              + myField.value.substring(endPos, myField.value.length);
				edRemoveTag(i);
				cursorPos = startPos + edButtons[i].tagEnd.length;
			}
		}
		myField.focus();
		myField.selectionStart = cursorPos;
		myField.selectionEnd = cursorPos;
	}
	else {
		if (!edCheckOpenTags(i) || edButtons[i].tagEnd == '') {
			myField.value += edButtons[i].tagStart;
			edAddTag(i);
		}
		else {
			myField.value += edButtons[i].tagEnd;
			edRemoveTag(i);
		}
		myField.focus();
	}
}

function edInsertContent(myField, myValue) {
	//IE support
	if (document.selection) {
		myField.focus();
		sel = document.selection.createRange();
		sel.text = myValue;
		myField.focus();
	}
	//MOZILLA/NETSCAPE support
	else if (myField.selectionStart || myField.selectionStart == '0') {
		var startPos = myField.selectionStart;
		var endPos = myField.selectionEnd;
		myField.value = myField.value.substring(0, startPos)
		              + myValue 
                      + myField.value.substring(endPos, myField.value.length);
		myField.focus();
		myField.selectionStart = startPos + myValue.length;
		myField.selectionEnd = startPos + myValue.length;
	} else {
		myField.value += myValue;
		myField.focus();
	}
}

function edInsertLink(myField, i, defaultValue) {
	if (!defaultValue) {
		defaultValue = 'http://';
	}
	if (!edCheckOpenTags(i)) {
		var URL = prompt('URL eingeben' ,defaultValue);
		if (URL) {
			edButtons[i].tagStart = '[url=' + URL + ']';
			edInsertTag(myField, i);
		}
	}
	else {
		edInsertTag(myField, i);
	}
}

function edImage(myField, i, defaultValue) {
	if (!defaultValue) {
		defaultValue = 'http://';
	}
	if (!edCheckOpenTags(i)) {
		var URL = prompt('Grafikadresse eingeben' ,defaultValue);
		if (URL) {
			edButtons[i].tagStart = '[img=' + URL + ']';
			edInsertTag(myField, i);
		}
	}
	else {
		edInsertTag(myField, i);
	}
}

function edFilm(myField, i, code, defaultValue) {
	if (!defaultValue) {
    if(code=="sl"){
    
    }else if(code==""){
    }else if(code==""){
    }
		defaultValue = 'http://';
	}
	if (!edCheckOpenTags(i)) {
		var URL = prompt('Videocode eingeben' ,defaultValue);
		if (URL) {
			edButtons[i].tagStart = '['+ code +'=' + URL + ']';
			edInsertTag(myField, i);
		}
	}
	else {
		edInsertTag(myField, i);
	}
	hide('film');
}