/*!
 * jQuery insertAtCaret
 * Allows inserting text where the caret is in a textarea
 * Copyright (c) 2003-2010 phpMyAdmin devel team
 * Version: 1.0
 * Developed by the phpMyAdmin devel team. Modified by Alex King and variaas
 * http://alexking.org/blog/2003/06/02/inserting-at-the-cursor-using-javascript
 * http://www.mail-archive.com/jquery-en@googlegroups.com/msg08708.html
 * Licensed under the GPL license:
 * http://www.gnu.org/licenses/gpl.html
 */
;(function($) {

$.fn.insertAtCaret = function (myValue) {

	return this.each(function() {

		//IE support
		if (document.selection) {

			this.focus();
			sel = document.selection.createRange();
			sel.text = myValue;
			this.focus();

		} else if (this.selectionStart || this.selectionStart == '0') {

			//MOZILLA / NETSCAPE support
			var startPos = this.selectionStart;
			var endPos = this.selectionEnd;
			var scrollTop = this.scrollTop;
			this.value = this.value.substring(0, startPos)+ myValue+ this.value.substring(endPos,this.value.length);
			this.focus();
			this.selectionStart = startPos + myValue.length;
			this.selectionEnd = startPos + myValue.length;
			this.scrollTop = scrollTop;

		} else {

			this.value += myValue;
			this.focus();
		}
	});
};

})(jQuery);