$(document).ready(function() 
{
	if($("#loginboxlink") != null)
	{	
		$("#loginboxlink").bind("click", function(e) 
		{ 
			if($("#submenu_user").css("display") == "block")
				$("#submenu_user").fadeOut("slow");
			else
				$("#submenu_user").fadeIn("slow");
			return false;
		});
	}
	
	ResizeFirstPre();
	$(window).bind("resize", function(e) 
	{
		ResizeFirstPre();
	});
	
	function ResizeFirstPre()
	{
		var width = document.getElementById("content").offsetWidth - 400;
		$("pre:first").css("width", width);
	}
});

function insertAtCursor(myField, myValue) 
{
	if (document.selection)
	{
		myField.focus();
		sel = document.selection.createRange();
		sel.text = myValue;
	}
	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);
		}
		else
		{
			myField.value += myValue;
		}
}

var clientPC = navigator.userAgent.toLowerCase();
var clientVer = parseInt(navigator.appVersion);

var is_ie = ((clientPC.indexOf('msie') != -1) && (clientPC.indexOf('opera') == -1));
var is_win = ((clientPC.indexOf('win') != -1) || (clientPC.indexOf('16bit') != -1));



function InsertTags(open, close)
{
	theSelection = false;

	var textarea = document.getElementById('txtContent');

	textarea.focus();

	if ((clientVer >= 4) && is_ie && is_win)
	{
		theSelection = document.selection.createRange().text;

		if (theSelection)
		{
			document.selection.createRange().text = open + theSelection + close;
			textarea.focus();
			theSelection = '';
			return;
		}
	}
	else if (textarea.selectionEnd && (textarea.selectionEnd - textarea.selectionStart > 0))
	{
		mozWrap(textarea, open, close);
		textarea.focus();
		theSelection = '';
		return;
	}
	

	var caret_pos = getCaretPosition(textarea).start;
	var new_pos = caret_pos + open.length;		

	// Open tag
	insert_text(open + close);

	if (!isNaN(textarea.selectionStart))
	{
		textarea.selectionStart = new_pos;
		textarea.selectionEnd = new_pos;
	}	
	// IE
	else if (document.selection)
	{
		var range = textarea.createTextRange(); 
		range.move("character", new_pos); 
		range.select();
		storeCaret(textarea);
	}

	textarea.focus();
	return;
}

function caretPosition()
{
	var start = null;
	var end = null;
}

function getCaretPosition(txtarea)
{
	var caretPos = new caretPosition();
	
	// simple Gecko/Opera way
	if(txtarea.selectionStart || txtarea.selectionStart == 0)
	{
		caretPos.start = txtarea.selectionStart;
		caretPos.end = txtarea.selectionEnd;
	}
	// dirty and slow IE way
	else if(document.selection)
	{
	
		// get current selection
		var range = document.selection.createRange();

		// a new selection of the whole textarea
		var range_all = document.body.createTextRange();
		range_all.moveToElementText(txtarea);
		
		// calculate selection start point by moving beginning of range_all to beginning of range
		var sel_start;
		for (sel_start = 0; range_all.compareEndPoints('StartToStart', range) < 0; sel_start++)
		{		
			range_all.moveStart('character', 1);
		}
	
		txtarea.sel_start = sel_start;
	
		// we ignore the end value for IE, this is already dirty enough and we don't need it
		caretPos.start = txtarea.sel_start;
		caretPos.end = txtarea.sel_start;			
	}

	return caretPos;
}


function insert_text(text, spaces, popup)
{
	var textarea = document.getElementById('txtContent');
	if (spaces) 
	{
		text = ' ' + text + ' ';
	}
	
	if (!isNaN(textarea.selectionStart))
	{
		var sel_start = textarea.selectionStart;
		var sel_end = textarea.selectionEnd;

		mozWrap(textarea, text, '')
		textarea.selectionStart = sel_start + text.length;
		textarea.selectionEnd = sel_end + text.length;
	}
	else if (textarea.createTextRange && textarea.caretPos)
	{
		if (baseHeight != textarea.caretPos.boundingHeight) 
		{
			textarea.focus();
			storeCaret(textarea);
		}

		var caret_pos = textarea.caretPos;
		caret_pos.text = caret_pos.text.charAt(caret_pos.text.length - 1) == ' ' ? caret_pos.text + text + ' ' : caret_pos.text + text;
	}
	else
	{
		textarea.value = textarea.value + text;
	}
	if (!popup) 
	{
		textarea.focus();
	}
}

function mozWrap(txtarea, open, close)
{
	var selLength = txtarea.textLength;
	var selStart = txtarea.selectionStart;
	var selEnd = txtarea.selectionEnd;
	var scrollTop = txtarea.scrollTop;

	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;
	txtarea.selectionStart = selEnd + open.length + close.length;
	txtarea.selectionEnd = txtarea.selectionStart;
	txtarea.focus();
	txtarea.scrollTop = scrollTop;

	return;
}