(function(){
	
	$.fn.touchtouch = function(){

	var overlay = $('<div class="galleryoverlay">'),
		slider = $('<div class="galleryslider">'),
		prevarrow = $('<a class="prevarrow"></a>'),
		nextarrow = $('<a class="nextarrow"></a>'),
		pagespan = $('<div class="pagelimit"></div'),
		close=$('<div class="closed"></div'),
		overlayvisible = false;
		
		var placeholders = $([]),
			pl1=[],
			index = 0,
			items = this;
		overlay.hide().appendto('body');
		slider.appendto(overlay);
		pagespan.appendto(overlay);
		items.each(function(){
			placeholders = placeholders.add($('<div class="placeholder">'));
		
		});
	
		slider.append(placeholders).on('click',function(e){
			hideoverlay();			
		});
        
		$('body').on('touchstart', '.galleryslider img', function(e){
			
			var touch = e.originalevent,
				startx = touch.changedtouches[0].pagex;
	
			slider.on('touchmove',function(e){
				
				e.preventdefault();
				
				touch = e.originalevent.touches[0] ||
						e.originalevent.changedtouches[0];
				
				if(touch.pagex - startx > 10){
					slider.off('touchmove');
					showprevious();
				}
				else if (touch.pagex - startx < -10){
					slider.off('touchmove');
					shownext();
				}
				 
			});

			return false;
			
			
		}).on('touchend',function(){
			slider.off('touchmove');
		});
		
	
		items.on('click', function(e){
			e.preventdefault();
			
			index = items.index(this);
			showoverlay(index);
			showimage(index);
			
			calcpages(items,index);
			preload(index+1);
			
			preload(index-1);
			offsetslider1(index);
			$(document).data("overlayvisible",true);
			e.cancelbubble = true;
		});
		
		function calcpages(items,index){
			pagespan.text((index+1)+"/"+items.length);
		}
		if ( !("ontouchstart" in window) ){
			overlay.append(prevarrow).append(nextarrow);
			
			prevarrow.click(function(e){
				e.preventdefault();
				showprevious();
			});
			
			nextarrow.click(function(e){
				e.preventdefault();
				shownext();
			});
		}
		
		$(window).bind('keydown', function(e){
		
			if (e.keycode == 37){
				showprevious();
			}
			else if (e.keycode==39){
				shownext();
			}
	
		});
		
		
		function showoverlay(index){
			
			if (overlayvisible){
				return false;
			}
			
			overlay.show();
			
			settimeout(function(){
				overlay.addclass('visible');
			}, 100);
	
			offsetslider1(index);
			
			overlayvisible = true;
		}
	
		function hideoverlay(){
			
			if(!overlayvisible){
				return false;
			}
			
			overlay.hide().removeclass('visible');
			overlayvisible = false;
			$(document).data("overlayvisible",overlayvisible);
		}
	
		function offsetslider(index){
			slider.stop(true).animate({left:(-index*100)+'%'},500);
		}

		function offsetslider1(index){
			// slider.stop(true).animate({left:(-index*100)+'%'},500);
			slider.css('left',(-index*100)+'%');
		}
	
		function preload(index){
			settimeout(function(){
				showimage(index);
			}, 1000);
		}
		
		function showimage(index){
	
			if(index < 0 || index >= items.length){
				return false;
			}
			
			loadimage(items.eq(index).attr('href'), function(){
				placeholders.eq(index).html(this);
			});
		}
		
		function loadimage(src, callback){
			var img = $('<img>').on('load', function(){
				callback.call(img);
			});
			
			img.attr('src',src);
		}
		
		function shownext(){
			if(index+1 < items.length){
				index++;
				offsetslider(index);
				preload(index+1);
				calcpages(items,index);
			}
			// return false;
		}
		
		function showprevious(){
			
			if(index>0){
				index--;
				offsetslider(index);
				preload(index-1);
				calcpages(items,index);
			}
		}
	};
	
})(jquery);