var bbcode = ['[b]', '[/b]', '[i]', '[/i]', '[u]', '[/u]', '[s]', '[/s]', '[url]', '[/url]', '[center]', '[/center]', '[quote]', '[/quote]', '[code]', '[/code]'];

function insertTag(first, second)
{
	postArea = document.getElementById('post');
	if (document.selection) // IE
	{
		postArea.focus();
		sel = document.selection.createRange();
		sel.text = first + sel.text + second;
	}
	else if (postArea.selectionStart || postArea.selectionStart == '0')
	{
		var startPos = postArea.selectionStart;
		var endPos = postArea.selectionEnd;
		if (startPos == endPos)
		{
			if (first == bbcode[8])
			{
				var link = prompt('Type hyperlink address', 'http://');
				if (startPos != 0)
				{
					postArea.value = postArea.value.substring(0, startPos) + '[url=' + link + '] ' + postArea.value.substring(startPos, endPos) + second + postArea.value.substring(endPos, postArea.value.length);
				}
				else
				{
					postArea.value += '[url=' + link + '][/url]';
				}
			}
			else
			{
				postArea.value += ' ' + first + second;
			}
		}
		else
		{
			postArea.value = postArea.value.substring(0, startPos) + first + postArea.value.substring(startPos, endPos) + second + postArea.value.substring(endPos, postArea.value.length);
		}
	}
	else 
	{
		postArea.value += ' ' + first + second;
	}
}

function bbTag(item)
{
	if(item < bbcode.length -1)
	{
		insertTag(bbcode[item], bbcode[item+1]);
	}
	else
	{
		switch(item)
		{
			case 16:
				var firstItem = prompt('Type first item list');
				document.getElementById('post').value += "[list]\n[*]"+firstItem+"\n[/list]";
				break;	
			case 18:
				var color = document.getElementById('text_color').value;//prompt('Type font color', 'black');
				insertTag('[color='+color+']', '[/color]');
		}
	}
}

function insertSmile(smile)
{
	document.getElementById('post').value += ' ' + smile;
}