// bbCode control by
// subBlue design
// www.subBlue.com

// 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_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);



function show_layers(id)
	{
	hide_layers();
	document.getElementById(id).style.display='block';
	}

function hide_layers()
	{
	document.getElementById('font_color').style.display='none';
	document.getElementById('font_color2').style.display='none';
	document.getElementById('outside_link').style.display='none';
	document.getElementById('inside_link').style.display='none';
	//document.getElementById('fonttype').style.display='none';
	//document.getElementById('fontsize').style.display='none';
	}


function add_tag(open_tag,close_tag) {

		var txtarea = document.postform.inpost;
		
		open_tag = '<' + open_tag + '>';
		close_tag = '</' + close_tag + '>';
		
		theSelection = false;
		
		if ((clientVer >= 4) && is_ie && is_win)
			{
			theSelection = document.selection.createRange().text;
			document.selection.createRange().text = open_tag + theSelection + close_tag;
			txtarea.focus();
			theSelection = '';
			document.getElementById('font_color').style.display='none';
			}
		else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
			{
			mozWrap(txtarea, open_tag, close_tag);
			document.getElementById('font_color').style.display='none';
			return;
			}
		storeCaret(txtarea);
		hide_layers();
}
	
function add_tag2(open_tag,close_tag) {

		var txtarea = document.postform.inpost2;
		
		open_tag = '<' + open_tag + '>';
		close_tag = '</' + close_tag + '>';
		
		theSelection = false;
		
		if ((clientVer >= 4) && is_ie && is_win)
			{
			theSelection = document.selection.createRange().text;
			document.selection.createRange().text = open_tag + theSelection + close_tag;
			txtarea.focus();
			theSelection = '';
			document.getElementById('font_color').style.display='none';
			}
		else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
			{
			mozWrap(txtarea, open_tag, close_tag);
			document.getElementById('font_color').style.display='none';
			return;
			}
		storeCaret(txtarea);
		hide_layers();
}
	
function add_color(color) {

		var txtarea = document.postform.inpost;
		
		open_tag = '<font color=#' + color + '>';
		close_tag = '</font>';
		
		theSelection = false;
		
		if ((clientVer >= 4) && is_ie && is_win)
			{
			theSelection = document.selection.createRange().text;
			document.selection.createRange().text = open_tag + theSelection + close_tag;
			txtarea.focus();
			theSelection = '';
			document.getElementById('font_color').style.display='none';
			}
		else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
			{
			mozWrap(txtarea, open_tag, close_tag);
			document.getElementById('font_color').style.display='none';
			return;
			}
		storeCaret(txtarea);
		hide_layers();
}

function add_color2(color) {

		var txtarea = document.postform.inpost2;
		
		open_tag = '<font color=#' + color + '>';
		close_tag = '</font>';
		
		theSelection = false;
		
		if ((clientVer >= 4) && is_ie && is_win)
			{
			theSelection = document.selection.createRange().text;
			document.selection.createRange().text = open_tag + theSelection + close_tag;
			txtarea.focus();
			theSelection = '';
			document.getElementById('font_color2').style.display='none';
			}
		else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
			{
			mozWrap(txtarea, open_tag, close_tag);
			document.getElementById('font_color2').style.display='none';
			return;
			}
		storeCaret(txtarea);
		hide_layers();
}

function add_link(link_title,link_value)
	{

	var txtarea = document.postform.inpost;
		
	tags = '<a href=' + link_value + '>' + link_title + '</a>';
		
	txtarea.value += tags;
	hide_layers();
	txtarea.focus();
	return false;
	}

function add_image(image_src)
	{
	var txtarea = document.postform.inpost;
	tags = '<img border=0 src=' + image_src + '>';
	alert(tags);
	txtarea.value += tags;
	hide_layers();
	txtarea.focus();
	}







// From http://www.massless.org/mozedit/
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();
}