(function($) {

	var bStart = false;
	var visibleDiv = 'select-days';

	//add class to html tag
	$('html').addClass('stylish-select');
	//create cross-browser indexOf
	Array.prototype.indexOf = function(obj, start) {
		for ( var i = (start || 0); i < this.length; i++) {
			if (this[i] == obj) {
				return i;
			}
		}
	}

	//utility methods
	$.fn.extend({
		getSetSSValue : function(value) {
			if (value) {
				//set value and trigger change event
				$(this).val(value).change();
				return this;
			} else {
				return $(this).find(':selected').val();
			}
		},
		//added by Justin Beasley
		resetSS : function() {
			var oldOpts = $(this).data('ssOpts');
			$this = $(this);
			$this.next().remove();
			//unbind all events and redraw
			$this.unbind('.sSelect').sSelect(oldOpts);
		}
	});

	$.fn.sSelect = function(options) {

		return this
				.each(function() {

					var defaults = {
						defaultText : 'Please select',
						animationSpeed : 0, //set speed of dropdown
						ddMaxHeight : '', //set css max-height value of dropdown
						containerClass : '' //additional classes for container div
					};

					//initial variables
					var opts = $.extend(defaults, options), $input = $(this), $containerDivText = $('<div class="selectedTxt"></div>'), $containerDiv = $('<div class="newListSelected '
							+ opts.containerClass + '"></div>'), $newUl = $('<ul class="newList" style="visibility:hidden;"></ul>'), itemIndex = -1, currentIndex = -1, keys = [], prevKey = false, prevented = false, $newLi;

					//added by Justin Beasley
					$(this).data('ssOpts', options);

					//build new list
					$containerDiv.insertAfter($input);
					$containerDiv.attr("tabindex", $input.attr("tabindex")
							|| "0");
					$containerDivText.prependTo($containerDiv);
					$newUl.appendTo($containerDiv);
					$input.hide();

					//added by Justin Beasley (used for lists initialized while hidden)
					$containerDivText.data('ssReRender', !$containerDivText
							.is(':visible'));

					//test for optgroup
					if ($input.children('optgroup').length == 0) {
						$input.children().each(
								function(i) {
									var option = $(this).html();
									var key = $(this).val();

									//add first letter of each word to array
									keys.push(option.charAt(0).toLowerCase());
									if ($(this).attr('selected')) {
										opts.defaultText = option;
										currentIndex = i;
									}
									$newUl.append($(
											'<li><a href="JavaScript:void(0);">'
													+ option + '</a></li>')
											.data('key', key));

								});
						//cache list items object
						$newLi = $newUl.children().children();

					} else { //optgroup
						$input
								.children('optgroup')
								.each(
										function() {

											var optionTitle = $(this).attr(
													'label'), $optGroup = $('<li class="newListOptionTitle">'
													+ optionTitle + '</li>');

											$optGroup.appendTo($newUl);

											var $optGroupList = $('<ul></ul>');

											$optGroupList.appendTo($optGroup);

											$(this)
													.children()
													.each(
															function() {
																++itemIndex;
																var option = $(
																		this)
																		.html();
																var key = $(
																		this)
																		.val();
																//add first letter of each word to array
																keys
																		.push(option
																				.charAt(
																						0)
																				.toLowerCase());
																if ($(this)
																		.attr(
																				'selected') == true) {
																	opts.defaultText = option;
																	currentIndex = itemIndex;
																}
																$optGroupList
																		.append($(
																				'<li><a href="JavaScript:void(0);">'
																						+ option
																						+ '</a></li>')
																				.data(
																						'key',
																						key));
															})
										});
						//cache list items object
						$newLi = $newUl.find('ul li a');
					}

					//get heights of new elements for use later
					var newUlHeight = $newUl.height(), containerHeight = $containerDiv
							.height(), newLiLength = $newLi.length;

					//check if a value is selected
					if (currentIndex != -1) {
						navigateList(currentIndex, true);
					} else {
						//set placeholder text
						$containerDivText.text(opts.defaultText);
					}

					//decide if to place the new list above or below the drop-down
					function newUlPos() {
						var containerPosY = $containerDiv.offset().top, docHeight = jQuery(
								window).height(), scrollTop = jQuery(window)
								.scrollTop();

						//if height of list is greater then max height, set list height to max height value
						if (newUlHeight > parseInt(opts.ddMaxHeight)) {
							newUlHeight = parseInt(opts.ddMaxHeight);
						}

						containerPosY = containerPosY - scrollTop;
						if (containerPosY + newUlHeight >= docHeight) {
							$newUl.css({
								top : '-' + newUlHeight + 'px',
								height : newUlHeight
							});
							$input.onTop = true;
						} else {
							$newUl.css({
								top : containerHeight + 'px',
								height : newUlHeight
							});
							$input.onTop = false;
						}
					}

					//run function on page load
					newUlPos();

					//run function on browser window resize
					$(window).bind('resize.sSelect scroll.sSelect', newUlPos);

					//positioning
					function positionFix() {
						$containerDiv.css('position', 'relative');
					}

					function positionHideFix() {
						$containerDiv.css('position', 'static');
					}

					$containerDivText.bind('click.sSelect', function(event) {
						event.stopPropagation();

						//added by Justin Beasley
						if ($(this).data('ssReRender')) {
							newUlHeight = $newUl.height('').height();
							containerHeight = $containerDiv.height();
							$(this).data('ssReRender', false);
							newUlPos();
						}

						//hide all menus apart from this one
						$('.newList').not($(this).next()).hide().parent().css(
								'position', 'static').removeClass(
								'newListSelFocus');

						//show/hide this menu
						$newUl.toggle();
						positionFix();
						//scroll list to selected item
						$newLi.eq(currentIndex).focus();

					});

					$newLi.bind('click.sSelect', function(e) {
						var $clickedLi = $(e.target);

						//update counter
						currentIndex = $newLi.index($clickedLi);

						//remove all hilites, then add hilite to selected item
						prevented = true;
						navigateList(currentIndex);
						$newUl.hide();
						$containerDiv.css('position', 'static');//ie

					});

					$newLi.bind('mouseenter.sSelect', function(e) {
						var $hoveredLi = $(e.target);
						$hoveredLi.addClass('newListHover');
					}).bind('mouseleave.sSelect', function(e) {
						var $hoveredLi = $(e.target);
						$hoveredLi.removeClass('newListHover');
					});

					function navigateList(currentIndex, init) {
						$newLi.removeClass('hiLite').eq(currentIndex).addClass(
								'hiLite');

						if ($newUl.is(':visible')) {
							$newLi.eq(currentIndex).focus();
						}

						var text = $newLi.eq(currentIndex).html();
						var val = $newLi.eq(currentIndex).parent().data('key');

						//page load
						if (init == true) {
							$input.val(val);
							$containerDivText.text(text);
							return false;
						}

						try {
							$input.val(val)
						} catch (ex) {
							// handle ie6 exception
							$input[0].selectedIndex = currentIndex;
						}

						$input.change();
						$containerDivText.text(text);
					}

					$input.bind('change.sSelect', function(event) {
						$targetInput = $(event.target);
						//stop change function from firing
						if (prevented == true) {
							prevented = false;
							return false;
						}
						$currentOpt = $targetInput.find(':selected');

						//currentIndex = $targetInput.find('option').index($currentOpt);
						currentIndex = $targetInput.find('option').index(
								$currentOpt);

						navigateList(currentIndex, true);
					});

					//29.08.11 ������
					if ($input.attr('id') == 'sSelect') {
						$input.bind('change', function() {
							if ($(this).val() == 'option1') {
								if (bStart) {
									visibleDiv = 'select-days';
									$('#select-days').show();
									bStart = false;
								} else if (visibleDiv == 'select-times') {
									visibleDiv = 'select-days';
									$('#select-days').show();
									$('#select-times').hide();
								}
							} else if ($(this).val() == 'option2') {
								if (bStart) {
									visibleDiv = 'select-times';
									$('#select-times').show();
									bStart = false;
								} else if (visibleDiv == 'select-days') {
									visibleDiv = 'select-times'
									$('#select-times').show();
									$('#select-days').hide();
								}
							} else if ($(this).val() == 'option3') {
								$('#select-days').hide();
								$('#select-times').hide();
								bStart = true;
							}
						});
					}

					//handle up and down keys
					function keyPress(element) {
						//when keys are pressed
						$(element).unbind('keydown.sSelect').bind(
								'keydown.sSelect',
								function(e) {
									var keycode = e.which;

									//prevent change function from firing
									prevented = true;

									switch (keycode) {
									case 40: //down
									case 39: //right
										incrementList();
										return false;
										break;
									case 38: //up
									case 37: //left
										decrementList();
										return false;
										break;
									case 33: //page up
									case 36: //home
										gotoFirst();
										return false;
										break;
									case 34: //page down
									case 35: //end
										gotoLast();
										return false;
										break;
									case 13:
									case 27:
										$newUl.hide();
										positionHideFix();
										return false;
										break;
									}

									//check for keyboard shortcuts
									keyPressed = String.fromCharCode(keycode)
											.toLowerCase();

									var currentKeyIndex = keys
											.indexOf(keyPressed);

									if (typeof currentKeyIndex != 'undefined') { //if key code found in array
										++currentIndex;
										currentIndex = keys.indexOf(keyPressed,
												currentIndex); //search array from current index
										if (currentIndex == -1
												|| currentIndex == null
												|| prevKey != keyPressed)
											currentIndex = keys
													.indexOf(keyPressed); //if no entry was found or new key pressed search from start of array

										navigateList(currentIndex);
										//store last key pressed
										prevKey = keyPressed;
										return false;
									}
								});
					}

					function incrementList() {
						if (currentIndex < (newLiLength - 1)) {
							++currentIndex;
							navigateList(currentIndex);
						}
					}

					function decrementList() {
						if (currentIndex > 0) {
							--currentIndex;
							navigateList(currentIndex);
						}
					}

					function gotoFirst() {
						currentIndex = 0;
						navigateList(currentIndex);
					}

					function gotoLast() {
						currentIndex = newLiLength - 1;
						navigateList(currentIndex);
					}

					$containerDiv.bind('click.sSelect', function(e) {
						e.stopPropagation();
						keyPress(this);
					});

					$containerDiv.bind('focus.sSelect', function() {
						$(this).addClass('newListSelFocus');
						keyPress(this);
					});

					$containerDiv.bind('blur.sSelect', function() {
						$(this).removeClass('newListSelFocus');
					});

					//hide list on blur
					$(document).bind('click.sSelect', function() {
						$containerDiv.removeClass('newListSelFocus');
						$newUl.hide();
						positionHideFix();
					});

					//add classes on hover
					$containerDivText.bind('mouseenter.sSelect', function(e) {
						var $hoveredTxt = $(e.target);
						$hoveredTxt.parent().addClass('newListSelHover');
					}).bind('mouseleave.sSelect', function(e) {
						var $hoveredTxt = $(e.target);
						$hoveredTxt.parent().removeClass('newListSelHover');
					});

					//reset left property and hide
					$newUl.css({
						left : '0',
						display : 'none',
						visibility : 'visible'
					});

				});

	};
})(jQuery);