/*! Copyright (c) 2009 Domenico Gigante (http://scripts.reloadlab.net)
 * Thanks to: http://fromvega.com/scripts for drag effect.
 * Thanks for the community that is helping the improvement
 * of this little piece of code.
 *
 * Version: 1.0.0
 * Date: 15th Oct, 2009
 * 
 * Requires: jQuery 1.3.2+, jquery.mousewheel.js 3.0.2+, jquery.wresize.js 1.1+
 */

(function($){
	// collection of object elements
	var _that = {};
	var _divs = {};
	
	// some vars to use in resize window event
	var _topDiv = 0;
	var _leftDiv = 0;
	var _resizeTimer = null;
	
	// set on focus
	var _isOnFocus;
	
	// set selectable
	var _isSelectable;
	var _selectDirection;
	
	// scroll interval
	var _intervalid;
	
	// Main Plugin (Scroller Set)
	jQuery.fn.customScroller = function(options){
		// some private vars
		var _containerHTML;
		var _vscrollerHTML;
		var _oscrollerHTML;
		var _vscroll = {};
		var _oscroll = {};
		var _curDate;
		
		options = jQuery.extend({
			width: null,
			height: null,
			speed: 4
		}, options);
		
		if(this.length > 0){
			
			this.each(function(index, domElement){
				
				// ID UNIQUE
				var _uniqueID = (_curDate === new Date().getTime())?"ID_" + ((new Date().getTime()) + 1000):"ID_" + (new Date().getTime());
				
				// OBJECT DIVS ARRAY
				_divs[_uniqueID] = {};
				
				// if no id is defined assign a unique one
				if(undefined === this.id || !this.id.length) this.id = "customScroller_" + (new Date().getTime());

				// this referrer
				if(!_that[this.id]) _that[this.id] = this;
	/* BREAKS STUFF
				// onclick set focus on element
				$(this).bind('click', function(event) {
					if( event.stopPropagation ) { event.stopPropagation(); } //For 'Good' browsers
					else { event.cancelBubble = true; } //For IE
						alert('click binding function');
					_isOnFocus = _uniqueID;
					return false;
				});
				*/
				// get div height and width
				if(!options.width){
					if($(this).css('width') !== 'auto'){
						_divs[_uniqueID].width = ($(this).css('width').indexOf('%') > 0)?'100%':parseInt($(this).css('width'), 10) + 'px';
					} else{
						// problem if no width is set
						return false;
					}
				} else{
					_divs[_uniqueID].width = ((options.width + '').indexOf('%') > 0 || (options.width + '').indexOf('px') > 0)?options.width:parseInt(options.width, 10) + 'px';
					$(this).css('width', _divs[_uniqueID].width);
				}
				if(!options.height){
					if($(this).css('height') !== 'auto'){
						_divs[_uniqueID].height = ($(this).css('height').indexOf('%') > 0)?'100%':parseInt($(this).css('height'), 10) + 'px';
					} else{
						// problem if no height is set
						return false;
					}
				} else{
					_divs[_uniqueID].height = ((options.height + '').indexOf('%') > 0 || (options.height + '').indexOf('px') > 0)?options.height:parseInt(options.height, 10) + 'px';
					$(this).css('height', _divs[_uniqueID].height);
				}
				
				// set this overflow hidden, position relative
				$(this).css("overflow", "hidden");
				$(this).css("position", "relative");
				
				// set speed scroll (px/20 millisecondi)
				_divs[_uniqueID].speed = (!$(this).attr('speed'))?options.speed:parseInt($(this).attr('speed'), 10);
				if(isNaN(_divs[_uniqueID].speed)) _divs[_uniqueID].speed = options.speed;
				
				_vscroll[_uniqueID] = false;
				_oscroll[_uniqueID] = false;

				// HTML container template
				_containerHTML = '<div class="customScrollerContainer" id="customScrollerContainer_' + _uniqueID + '" style="position: relative; width: ' + _divs[_uniqueID].width + '; height: ' + _divs[_uniqueID].height + '; overflow: hidden; padding: 0px; margin: 0px;">';
				_containerHTML += '<div class="customScrollerContent" id="customScrollerContent_' + _uniqueID + '" style="position: absolute; left: ' + _leftDiv + 'px; top: ' + _topDiv + 'px; padding: 0px; margin: 0px; border: 0px;">';
				_containerHTML += $(this).html();
				_containerHTML += '</div></div>';
				$(this).html(_containerHTML);
				
				// HTML vertical scroller template
				_vscrollerHTML = '<div id="divVScrollerBar_' + _uniqueID + '" class="divVScrollerBar" style="float: right; height: ' + _divs[_uniqueID].height + '; padding: 0px; overflow: hidden;">';
				_vscrollerHTML += '<span id="divVScrollerBar_up_' + _uniqueID + '" class="divVScrollerBarUp" style="display: block; width: 100%; overflow: hidden;"><span></span></span>';
				_vscrollerHTML += '<span id="divVScrollerBar_trace_' + _uniqueID + '" class="divVScrollerBarTrace" style="display: block; position: relative; overflow: hidden; width: 100%; padding: 0px; margin: 0px;">';
				_vscrollerHTML += '<span id="divVScrollerBar_cursor_' + _uniqueID + '" class="divVScrollerBarCursor" style="display: block; width: 100%; padding: 0px; margin: 0px; position: absolute; top: 0px; left: 0px;"><span></span></span>';
				_vscrollerHTML += '</span>';
				_vscrollerHTML += '<span id="divVScrollerBar_down_' + _uniqueID + '" class="divVScrollerBarDown" style="display: block; width: 100%; overflow: hidden;"><span></span></span>';
				_vscrollerHTML += '</div>';
				
				// HTML orizontal scroller template
				_oscrollerHTML = '<div id="divOScrollerBar_' + _uniqueID + '" class="divOScrollerBar" style="float: left; width: ' + _divs[_uniqueID].width + '; padding: 0px; overflow: hidden;">';
				_oscrollerHTML += '<span id="divOScrollerBar_left_' + _uniqueID + '" class="divOScrollerBarLeft" style="display: block; height: 100%; overflow: hidden; float: left; margin: 0px;"><span></span></span>';
				_oscrollerHTML += '<span id="divOScrollerBar_trace_' + _uniqueID + '" class="divOScrollerBarTrace" style="display: block; position: relative; overflow: hidden; height: 100%; float: left; padding: 0px; margin: 0px;">';
				_oscrollerHTML += '<span id="divOScrollerBar_cursor_' + _uniqueID + '" class="divOScrollerBarCursor" style="display: block; height: 100%; padding: 0px; margin: 0px; position: absolute; top: 0px; left: 0px;"><span></span></span>';
				_oscrollerHTML += '</span>';
				_oscrollerHTML += '<span id="divOScrollerBar_right_' + _uniqueID + '" class="divOScrollerBarRight" style="display: block; height: 100%; overflow: hidden; float: left; margin: 0px;"><span></span></span>';
				_oscrollerHTML += '<div style="clear: both;"></div></div>';
				
				// container and content referrer
				_divs[_uniqueID].objContainer = $("#customScrollerContainer_" + _uniqueID);
				_divs[_uniqueID].objContent = $("#customScrollerContent_" + _uniqueID);
				
				// get container and content height
				_divs[_uniqueID].containerHeight = _divs[_uniqueID].objContainer.height();
				_divs[_uniqueID].contentHeight = _divs[_uniqueID].objContent.outerHeight(true);
				_divs[_uniqueID].containerOffset = _divs[_uniqueID].objContainer.offset();
				
				// if content height > container height, then...
				if(parseInt(_divs[_uniqueID].containerHeight, 10) > 0 && _divs[_uniqueID].contentHeight > _divs[_uniqueID].containerHeight){
					
					// set vertical scroller exist
					_vscroll[_uniqueID] = true;
					
					// set float container
					_divs[_uniqueID].objContainer.css('float', 'left');
					
					// prepend vertical scroller
					$(this).prepend(_vscrollerHTML);
					
					// vertical scroller objects referrer
					_divs[_uniqueID].objVScroller = $("#divVScrollerBar_" + _uniqueID);
					_divs[_uniqueID].objUp = $("#divVScrollerBar_up_" + _uniqueID);
					_divs[_uniqueID].objDown = $("#divVScrollerBar_down_" + _uniqueID);
					_divs[_uniqueID].objVTrace = $("#divVScrollerBar_trace_" + _uniqueID);
					_divs[_uniqueID].objVCursor = $("#divVScrollerBar_cursor_" + _uniqueID);
					
					/* SET VERTICAL SCROLL */
					// set scroller height
					_divs[_uniqueID].objVScroller.css('height', _divs[_uniqueID].containerHeight + 'px');
					
					// set trace height
					_divs[_uniqueID].objVTrace.css('height', (_divs[_uniqueID].containerHeight - _divs[_uniqueID].objUp.outerHeight(true) - _divs[_uniqueID].objDown.outerHeight(true)) + 'px');
					
					// get trace height
					_divs[_uniqueID].traceHeight = parseInt(_divs[_uniqueID].objVTrace.css('height'), 10);
					
					// get cursor height
					_divs[_uniqueID].cursorHeight = Math.ceil((_divs[_uniqueID].traceHeight * _divs[_uniqueID].containerHeight) / _divs[_uniqueID].contentHeight);
					
					// difference between trace height and cursor height
					_divs[_uniqueID].traceVVoid = _divs[_uniqueID].traceHeight - _divs[_uniqueID].cursorHeight;
					
					// actual trace position top
					_divs[_uniqueID].posVTrace = _divs[_uniqueID].objVTrace.offset().top;
					
					// set cursor height
					_divs[_uniqueID].objVCursor.css('height', _divs[_uniqueID].cursorHeight + 'px');
					
					// set cursor top position
					var cursorY = (0 - parseInt(_topDiv, 10)) * _divs[_uniqueID].traceVVoid / (_divs[_uniqueID].contentHeight - _divs[_uniqueID].containerHeight);
					_divs[_uniqueID].objVCursor.css('top', cursorY + 'px'); // imposta scrol cursore
					
					// set container width
					_divs[_uniqueID].objContainer.css('width', (_divs[_uniqueID].objContainer.width() - _divs[_uniqueID].objVScroller.outerWidth(true) - 1) + 'px');
					
					// get container and content height
					_divs[_uniqueID].containerHeight = _divs[_uniqueID].objContainer.height();
					_divs[_uniqueID].contentHeight = _divs[_uniqueID].objContent.outerHeight();
					/* END */
					
					// set cursor draggable
					$(_divs[_uniqueID].objVCursor).dragCursor({maxBottom: _divs[_uniqueID].traceVVoid});
					
					// Events
					_divs[_uniqueID].objContainer.bind('mousedown', function(event) {
						_isSelectable = _uniqueID;
						_selectDirection = null;
					});
					
					_divs[_uniqueID].objContainer.bind('mousemove', function(event) {
	
						if(!_isSelectable) return;
						
						var containerOffset = _divs[_isSelectable].containerOffset;
						var containerHeight = _divs[_isSelectable].containerHeight;
						var containerWidth = _divs[_isSelectable].containerWidth;
						
						stopMove();
						
						if(event.pageY > containerOffset.top && event.pageY < containerOffset.top + 10){
							if(_selectDirection && _selectDirection !== 'up'){
								stopMove();
							}
							
							_selectDirection = 'up';
							startMoveUp(_divs[_isSelectable], 1);
						}
						else if(event.pageX > containerOffset.left && event.pageX < containerOffset.left + 10){
							if(_selectDirection && _selectDirection !== 'left'){
								stopMove();
							}
							
							_selectDirection = 'left';
							startMoveLeft(_divs[_isSelectable], 1);
						}
						else if(event.pageY > (containerOffset.top + containerHeight - 10) && event.pageY < (containerOffset.top + containerHeight)){
							if(_selectDirection && _selectDirection !== 'down'){
								stopMove();
							}
							
							_selectDirection = 'down';
							startMoveDown(_divs[_isSelectable], -1);
						}
						else if(event.pageX > (containerOffset.left + containerWidth - 10) && event.pageX < (containerOffset.left + containerWidth)){
							if(_selectDirection && _selectDirection !== 'right'){
								stopMove();
							}
							
							_selectDirection = 'right';
							startMoveRight(_divs[_isSelectable], -1);
						}
						else{
							stopMove();
						}
					});

					_divs[_uniqueID].objContainer.bind('mouseup', function(event) {
						_isSelectable = null;
						stopMove();
						_selectDirection = null;
					});
					
					_divs[_uniqueID].objContainer.bind('mousewheel', function(event, delta) {
						(delta > 0)?moveUp(_divs[_uniqueID], delta):moveDown(_divs[_uniqueID], delta);
						return false;
					});
					
					_divs[_uniqueID].objVTrace.bind("click", function(e){
						var spanY = (e.pageY - _divs[_uniqueID].posVTrace);
						if(spanY > (_divs[_uniqueID].cursorHeight + parseInt(_divs[_uniqueID].objVCursor.css('top'), 10))){
							moveDown(_divs[_uniqueID], -3);
						} else if(spanY < parseInt(_divs[_uniqueID].objVCursor.css('top'), 10)){
							moveUp(_divs[_uniqueID], 3);
						}
						return false;
					});
					
					_divs[_uniqueID].objUp.bind("mouseover", function(event){
						$('span', this).addClass('hover');
						startMoveUp(_divs[_uniqueID]);
						return false;
					});
					
					_divs[_uniqueID].objDown.bind("mouseover", function(){
						$('span', this).addClass('hover');
						startMoveDown(_divs[_uniqueID]);
						return false;
					});
					
					_divs[_uniqueID].objUp.bind("mouseout", function(){
						$('span', this).removeClass('hover');
						stopMove();
						return false;
					});
					
					_divs[_uniqueID].objDown.bind("mouseout", function(){
						$('span', this).removeClass('hover');
						stopMove();
						return false;
					});
					
					_divs[_uniqueID].objVCursor.bind("mouseover", function(){
						$('span', this).addClass('hover');
						return false;
					});

					_divs[_uniqueID].objVCursor.bind("mouseout", function(){
						$('span', this).removeClass('hover');
						return false;
					});

					$(_divs[_uniqueID].objVCursor).ondrag(function(e, element){ 
						if( e.stopPropagation ) { e.stopPropagation(); } //For 'Good' browsers
						else { e.cancelBubble = true; } //For IE
						var cursorY = parseInt(_divs[_uniqueID].objVCursor.css('top'), 10);
						var contentY = 0 - (cursorY * (_divs[_uniqueID].contentHeight - _divs[_uniqueID].containerHeight) / _divs[_uniqueID].traceVVoid);
						_divs[_uniqueID].objContent.css('top', contentY + "px");
						return false;
					});
					
					$(_divs[_uniqueID].objVCursor).ondrop(function(e, element){ 
						if(e.stopPropagation){ //For 'Good' browsers
							e.stopPropagation();
						} else { //For IE
							e.cancelBubble = true;
						}
						return false;
					});
				}
				
				// get container and content width
				_divs[_uniqueID].containerWidth = _divs[_uniqueID].objContainer.width();
				_divs[_uniqueID].contentWidth = _divs[_uniqueID].objContent.outerWidth();
	
				// if content width > container width, then...
				if(parseInt(_divs[_uniqueID].containerWidth, 10) > 0 && _divs[_uniqueID].contentWidth > _divs[_uniqueID].containerWidth){

					// set orizzontal scroller exist
					_oscroll[_uniqueID] = true;

					// append orizzontal scroller
					$(this).append(_oscrollerHTML);
					
					// orizzontal scroller objects referrer
					_divs[_uniqueID].objOScroller = $("#divOScrollerBar_" + _uniqueID);
					_divs[_uniqueID].objLeft = $("#divOScrollerBar_left_" + _uniqueID);
					_divs[_uniqueID].objRight = $("#divOScrollerBar_right_" + _uniqueID);
					_divs[_uniqueID].objOTrace = $("#divOScrollerBar_trace_" + _uniqueID);
					_divs[_uniqueID].objOCursor = $("#divOScrollerBar_cursor_" + _uniqueID);
					
					/* SET ORIZZONTAL SCROLL */
					// set scroller width
					_divs[_uniqueID].objOScroller.css('width', _divs[_uniqueID].containerWidth + 'px');
					
					// set trace width
					_divs[_uniqueID].objOTrace.css('width', (_divs[_uniqueID].containerWidth - _divs[_uniqueID].objLeft.outerWidth(true) - _divs[_uniqueID].objRight.outerWidth(true)) + 'px');
					
					// get trace width
					_divs[_uniqueID].traceWidth = parseInt(_divs[_uniqueID].objOTrace.css('width'), 10);
					
					// get cursor width
					_divs[_uniqueID].cursorWidth = Math.ceil((_divs[_uniqueID].traceWidth * _divs[_uniqueID].containerWidth) / _divs[_uniqueID].contentWidth);
					
					// difference between trace width and cursor width
					_divs[_uniqueID].traceOVoid = _divs[_uniqueID].traceWidth - _divs[_uniqueID].cursorWidth;
					
					// actual trace position left
					_divs[_uniqueID].posOTrace = _divs[_uniqueID].objOTrace.offset().left;
					
					// set cursor width
					_divs[_uniqueID].objOCursor.css('width', _divs[_uniqueID].cursorWidth + 'px');
					
					// set cursor left position
					var cursorX = (0 - parseInt(_leftDiv, 10)) * _divs[_uniqueID].traceOVoid / (_divs[_uniqueID].contentWidth - _divs[_uniqueID].containerWidth);
					_divs[_uniqueID].objOCursor.css('left', cursorX + 'px');
	
					// set container height
					_divs[_uniqueID].objContainer.css('height', (_divs[_uniqueID].objContainer.height() - _divs[_uniqueID].objOScroller.outerHeight(true)) + 'px');
					
					// get container and content width
					_divs[_uniqueID].containerWidth = _divs[_uniqueID].objContainer.width();
					_divs[_uniqueID].contentWidth = _divs[_uniqueID].objContent.outerWidth();
					/* END */
					
					// if vertical scroller exist, then...
					if(_vscroll[_uniqueID] === true){
						// set scroller height
						_divs[_uniqueID].objVScroller.css('height', _divs[_uniqueID].containerHeight + 'px');
						
						// set trace height
						_divs[_uniqueID].objVTrace.css('height', (_divs[_uniqueID].containerHeight - _divs[_uniqueID].objUp.outerHeight(true) - _divs[_uniqueID].objDown.outerHeight(true)) + 'px');
						
						// get trace height
						_divs[_uniqueID].traceHeight = parseInt(_divs[_uniqueID].objVTrace.css('height'), 10);
						
						// get cursor height
						_divs[_uniqueID].cursorHeight = Math.ceil((_divs[_uniqueID].traceHeight * _divs[_uniqueID].containerHeight) / _divs[_uniqueID].contentHeight);
						
						// difference between trace height and cursor height
						_divs[_uniqueID].traceVVoid = _divs[_uniqueID].traceHeight - _divs[_uniqueID].cursorHeight;
						
						// set cursor height
						_divs[_uniqueID].objVCursor.css('height', _divs[_uniqueID].cursorHeight + 'px');
						
						// set cursor top position
						var cursorY = (0 - parseInt(_topDiv, 10)) * _divs[_uniqueID].traceVVoid / (_divs[_uniqueID].contentHeight - _divs[_uniqueID].containerHeight);
						_divs[_uniqueID].objVCursor.css('top', cursorY + 'px'); // imposta scrol cursore
		
						// get container and content height
						_divs[_uniqueID].containerHeight = _divs[_uniqueID].objContainer.height();
						_divs[_uniqueID].contentHeight = _divs[_uniqueID].objContent.outerHeight();
					}
					
					// set cursor draggable
					$(_divs[_uniqueID].objOCursor).dragCursor({maxRight: _divs[_uniqueID].traceOVoid});
					
					// Events
					if(_vscroll[_uniqueID] === false){
						_divs[_uniqueID].objContainer.bind('mousewheel', function(event, delta) {
							(delta > 0)?moveLeft(_divs[_uniqueID], delta):moveRight(_divs[_uniqueID], delta);
							return false;
						});
						
						_divs[_uniqueID].objContainer.bind('mousedown', function(event) {
							_isSelectable = _uniqueID;
							_selectDirection = null;
						});
						
						_divs[_uniqueID].objContainer.bind('mousemove', function(event) {
		
							if(!_isSelectable) return;
							
							var containerOffset = _divs[_isSelectable].containerOffset;
							var containerHeight = _divs[_isSelectable].containerHeight;
							var containerWidth = _divs[_isSelectable].containerWidth;
							
							stopMove();
							
							if(event.pageY > containerOffset.top && event.pageY < containerOffset.top + 10){
								if(_selectDirection && _selectDirection !== 'up'){
									stopMove();
								}
								
								_selectDirection = 'up';
								startMoveUp(_divs[_isSelectable], 1);
							}
							else if(event.pageX > containerOffset.left && event.pageX < containerOffset.left + 10){
								if(_selectDirection && _selectDirection !== 'left'){
									stopMove();
								}
								
								_selectDirection = 'left';
								startMoveLeft(_divs[_isSelectable], 1);
							}
							else if(event.pageY > (containerOffset.top + containerHeight - 10) && event.pageY < (containerOffset.top + containerHeight)){
								if(_selectDirection && _selectDirection !== 'down'){
									stopMove();
								}
								
								_selectDirection = 'down';
								startMoveDown(_divs[_isSelectable], -1);
							}
							else if(event.pageX > (containerOffset.left + containerWidth - 10) && event.pageX < (containerOffset.left + containerWidth)){
								if(_selectDirection && _selectDirection !== 'right'){
									stopMove();
								}
								
								_selectDirection = 'right';
								startMoveRight(_divs[_isSelectable], -1);
							}
							else{
								stopMove();
							}
						});
	
						_divs[_uniqueID].objContainer.bind('mouseup', function(event) {
							_isSelectable = null;
							stopMove();
							_selectDirection = null;
						});
					}
					
					_divs[_uniqueID].objOTrace.bind("click", function(e){
						var spanX = (e.pageX - _divs[_uniqueID].posOTrace);
						if(spanX > (_divs[_uniqueID].cursorWidth + parseInt(_divs[_uniqueID].objOCursor.css('left'), 10))){
							moveRight(_divs[_uniqueID], -3);
						} else if(spanX < parseInt(_divs[_uniqueID].objOCursor.css('left'), 10)){
							moveLeft(_divs[_uniqueID], 3);
						}
						return false;
					});
					
					_divs[_uniqueID].objLeft.bind("mouseover", function(){
						$('span', this).addClass('hover');
						startMoveLeft(_divs[_uniqueID]);
						return false;
					});
					
					_divs[_uniqueID].objRight.bind("mouseover", function(){
						$('span', this).addClass('hover');
						startMoveRight(_divs[_uniqueID]);
						return false;
					});
					
					_divs[_uniqueID].objLeft.bind("mouseout", function(){
						$('span', this).removeClass('hover');
						stopMove();
						return false;
					});
					
					_divs[_uniqueID].objRight.bind("mouseout", function(){
						$('span', this).removeClass('hover');
						stopMove();
						return false;
					});
					
					_divs[_uniqueID].objOCursor.bind("mouseover", function(){
						$('span', this).addClass('hover');
						return false;
					});

					_divs[_uniqueID].objOCursor.bind("mouseout", function(){
						$('span', this).removeClass('hover');
						return false;
					});

					$(_divs[_uniqueID].objOCursor).ondrag(function(e, element){ 
						if( e.stopPropagation ) { e.stopPropagation(); } //For 'Good' browsers
						else { e.cancelBubble = true; } //For IE
						var cursorX = parseInt(_divs[_uniqueID].objOCursor.css('left'), 10);
						var contentX = 0 - (cursorX * (_divs[_uniqueID].contentWidth - _divs[_uniqueID].containerWidth) / _divs[_uniqueID].traceOVoid);
						_divs[_uniqueID].objContent.css('left', contentX + "px");
						return false;
					});
					
					$(_divs[_uniqueID].objOCursor).ondrop(function(e, element){ 
						if(e.stopPropagation){ //For 'Good' browsers
							e.stopPropagation();
						} else { //For IE
							e.cancelBubble = true;
						}
						return false;
					});
				}
				
				// if no scroller, then..
				if(_vscroll[_uniqueID] === false){
					_divs[_uniqueID].objContent.css('top', '0px');
				}
				if(_oscroll[_uniqueID] === false){
					_divs[_uniqueID].objContent.css('left', '0px');
				}
					
				$(this).append('<div style="clear: both;"></div>');
	
			});
		}
	};
	
	// All move function
	function startMoveDown(objCopy, wheelDelta){
		_intervalid = window.setInterval(function(){ moveDown(objCopy, wheelDelta); }, 20);
	};
		
	function startMoveUp(objCopy, wheelDelta){
		_intervalid = window.setInterval(function(){ moveUp(objCopy, wheelDelta); }, 20);
	};
		
	function startMoveRight(objCopy, wheelDelta){
		_intervalid = window.setInterval(function(){ moveRight(objCopy, wheelDelta); }, 20);
	};
		
	function startMoveLeft(objCopy, wheelDelta){
		_intervalid = window.setInterval(function(){ moveLeft(objCopy, wheelDelta); }, 20);
	};
		
	function stopMove(){
		window.clearInterval(_intervalid);
	};
		
	function moveDown(objCopy, wheelDelta){
		var increment;
		if(wheelDelta) increment = -1 * parseInt(wheelDelta * 5, 10);
		else increment = 1;
		var scrolling = parseInt(objCopy.objContent.css('top'), 10);
		var maxScroll = (objCopy.contentHeight * (-1) + objCopy.containerHeight);
		if(scrolling >= maxScroll){
			var delTop = scrolling - parseInt(objCopy.speed * increment, 10);
			if(delTop < maxScroll) delTop = maxScroll;
			objCopy.objContent.css('top', delTop + 'px');
			var addTop = parseInt((((0 - delTop) * objCopy.traceVVoid) / (objCopy.contentHeight - objCopy.containerHeight)), 10);
			objCopy.objVCursor.css('top', addTop + 'px');
		}
	};
		
	function moveUp(objCopy, wheelDelta){
		var increment;
		if(wheelDelta) increment = parseInt(wheelDelta * 5, 10);
		else increment = 1;
		var scrolling = parseInt(objCopy.objContent.css('top'), 10);
		if(scrolling <= 0){
			var addTop = scrolling + parseInt(objCopy.speed * increment, 10);
			if(addTop > 0) addTop = 0;
			objCopy.objContent.css('top', addTop + 'px');
			var delTop = parseInt((((0 - addTop) * objCopy.traceVVoid) / (objCopy.contentHeight - objCopy.containerHeight)), 10);
			objCopy.objVCursor.css('top', delTop + 'px');
		}
	};
	
	function moveRight(objCopy, wheelDelta){
		var increment;
		if(wheelDelta) increment = -1 * parseInt(wheelDelta * 5, 10);
		else increment = 1;
		var scrolling = parseInt(objCopy.objContent.css('left'), 10);
		var maxScroll = (objCopy.contentWidth * (-1) + objCopy.containerWidth);
		if(scrolling >= maxScroll){
			var delRight = scrolling - parseInt(objCopy.speed * increment, 10);
			if(delRight < maxScroll) delRight = maxScroll;
			objCopy.objContent.css('left', delRight + 'px');
			var addLeft = parseInt((((0 - delRight) * objCopy.traceOVoid) / (objCopy.contentWidth - objCopy.containerWidth)), 10);
			objCopy.objOCursor.css('left', addLeft + 'px');
		}
	};
		
	function moveLeft(objCopy, wheelDelta){
		var increment;
		if(wheelDelta) increment = parseInt(wheelDelta * 5, 10);
		else increment = 1;
		var scrolling = parseInt(objCopy.objContent.css('left'), 10);
		if(scrolling <= 0){
			var addLeft = scrolling + parseInt(objCopy.speed * increment, 10);
			if(addLeft > 0) addLeft = 0;
			objCopy.objContent.css('left', addLeft + 'px');
			var delRight = parseInt((((0 - addLeft) * objCopy.traceOVoid) / (objCopy.contentWidth - objCopy.containerWidth)), 10);
			objCopy.objOCursor.css('left', delRight + 'px');
		}
	};
	
	// Drag Plugin (Cursors Draggable)
	jQuery.fn.dragCursor = function(options){
		// some private vars
		var _isMouseDown = false;
		var _currentElement = null;
		var _dragCallbacks = {};
		var _dropCallbacks = {};
		var _dragStatus = {};
		var _lastMouseX;
		var _lastMouseY;
		var _lastElemTop;
		var _lastElemLeft;
		
		options = jQuery.extend({
			maxTop:0,
			maxRight:0,
			maxBottom:0,
			maxLeft:0
		}, options);
		
		// register the function to be called while an element is being dragged
		jQuery.fn.ondrag = function(callback){
			return this.each(function(){
				_dragCallbacks[this.id] = callback;
			});
		};
		
		// register the function to be called when an element is dropped
		jQuery.fn.ondrop = function(callback){
			return this.each(function(){
				_dropCallbacks[this.id] = callback;
			});
		};
	
		if(this.length > 0){
			this.each(function(index, domElement){
				// if no id is defined assign a unique one
				if(undefined === domElement.id || !domElement.id.length) domElement.id = "dragableCursor_"+(new Date().getTime());
				
				// set dragStatus 
				_dragStatus[domElement.id] = "on";
				
				// when an element receives a mouse press
				$(this).bind("mousedown", function(e){
					
					// if drag status is off, break
					if((_dragStatus[this.id] === "off"))
						return false;
					
					// set it as absolute positioned
					$(this).css("position", "absolute");
					
					// set z-index
					$(this).css("z-index", parseInt(new Date().getTime()/1000), 10);
					
					// update track variables
					_isMouseDown = true;
					_currentElement = this;
					
					// retrieve positioning properties
					var offset = $(this).offset();
					var parentOffSet = $(this).offsetParent();
					var additionalOffSet = {};
					if(parentOffSet.length > 0){
						additionalOffSet.top = parentOffSet.offset().top;
						additionalOffSet.left = parentOffSet.offset().left;
					}
					
					// global position records
					_lastMouseX = e.pageX;
					_lastMouseY = e.pageY;
					
					_lastElemTop = offset.top - additionalOffSet.top;
					_lastElemLeft = offset.left - additionalOffSet.left;
					
					// update the position
					updatePosition(e);
					
					return false;
				});
			});
		}
		
		// updates the position of the current element being dragged
		function updatePosition(e) {
			var spanX = (e.pageX - _lastMouseX);
			var spanY = (e.pageY - _lastMouseY);
			
			var Y = _lastElemTop + spanY;
			var X = _lastElemLeft + spanX;
			
			if(options.maxTop !== null && Y < options.maxTop) Y = options.maxTop;
			if(options.maxLeft !== null && X < options.maxLeft) X = options.maxLeft;
			if(options.maxBottom !== null && Y > options.maxBottom) Y = options.maxBottom;
			if(options.maxRight !== null && X > options.maxRight) X = options.maxRight;
					
			$(_currentElement).css("top",  Y + 'px');
			$(_currentElement).css("left", X + 'px');
		};
		
		// when the mouse is moved while the mouse button is pressed
		$(document).bind("mousemove", function(e){
			if(_isMouseDown === true && _dragStatus[_currentElement.id] !== 'off'){
				// update the position and call the registered function
				updatePosition(e);
				if(typeof _dragCallbacks[_currentElement.id] === 'function'){
					_dragCallbacks[_currentElement.id](e, _currentElement);
				}
				
				return false;
			}
		});
		
		// when the mouse button is released
		$(document).bind("mouseup", function(e){
			if(_isMouseDown === true && _dragStatus[_currentElement.id] !== 'off'){
				_isMouseDown = false;
				if(typeof _dropCallbacks[_currentElement.id] === 'function'){
					_dropCallbacks[_currentElement.id](e, _currentElement);
				}
				
				return false;
			}
		});
		
	};

	// Ajax Plugin (Loading content into element and set scroller)
	jQuery.fn.ajaxScroller = function(url, data, options){
		options = jQuery.extend({

		}, options);
		
		if(this.length > 0){
			this.each(function(index, domElement){
				$(this).html("Loading...");
				
				$(this).load(url, data, function(responseText, textStatus, XMLHttpRequest){
					if(textStatus === "success"){
						$(this).customScroller(options);
					} else{
						alert('Error');
					}
				});
			});
		}
	};
/*	
	// onclick reset focus
	$(document).bind('click', function(event) {
		if( event.stopPropagation ) { event.stopPropagation(); } //For 'Good' browsers
		else { event.cancelBubble = true; } //For IE
		alert("click bind");
		_isOnFocus = null;
		return false;
	});
*/
//	
//	// move on key press
//	$(document).bind("keydown keypress", function(e){
//		
//		if(!_isOnFocus) return;
//		var code = (e)? e.which: e.keyCode;
//
//		switch(code){
//			case 38: // up
//				moveUp(_divs[_isOnFocus], 1);	
//			break;
//						
//			case 40: // down
//				moveDown(_divs[_isOnFocus], -1);
//			break;
//						
//			case 37: // left
//				moveLeft(_divs[_isOnFocus], 1);
//			break;
//						
//			case 39: // right
//				moveRight(_divs[_isOnFocus], -1);
//			break;
//			
//			case 33: // up
//				moveUp(_divs[_isOnFocus], 3);	
//			break;
//						
//			case 34: // down
//				moveDown(_divs[_isOnFocus], -3);
//			break;
//						
//			case 36: // left
//				moveLeft(_divs[_isOnFocus], 3);
//			break;
//						
//			case 35: // right
//				moveRight(_divs[_isOnFocus], -3);
//			break;
//			
//			default:
//				return true;
//			break;
//		}
//		return false;
//	});
//				
	// resize frame on resize window
	$(document).ready(function(){ 
		$(window).resize(function(){
			if(_resizeTimer) clearTimeout(_resizeTimer); 
			_resizeTimer = setTimeout(function(){
				var key;
				for(key in _that){
					if(typeof _that[key] !== 'function'){
						_topDiv = $("div.customScrollerContent", _that[key]).position().top;
						_leftDiv = $("div.customScrollerContent", _that[key]).position().left;
						var html = $("div.customScrollerContent", _that[key]).html();
						$(_that[key]).html(html);
						$(_that[key]).customScroller();
					}
				}
			}, 100); 
			return false;
		});
	});
})(jQuery);