(function(){function ScrollView(){this.initialize.apply(this,arguments)}
ScrollView.prototype={initialize:function(container,config){var gecko=navigator.userAgent.indexOf("Gecko/")!=-1;var opera=navigator.userAgent.indexOf("Opera/")!=-1;var mac=navigator.userAgent.indexOf("Mac OS")!=-1;if(opera){this.grab="default";this.grabbing="move";}else if(!(mac&&gecko)&&config){if(config.grab){this.grab="url(\""+config.grab+"\"),default";}
if(config.grabbing){this.grabbing="url("+config.grabbing+"),move";}}else if(gecko){this.grab="-moz-grab";this.grabbing="-moz-grabbing";}else{this.grab="default";this.grabbing="move";}
this.m=$(container);this.i=this.m.children().css("cursor",this.grab);this.isgrabbing=false;var self=this;this.i.mousedown(function(e){self.startgrab();this.xp=e.pageX;this.yp=e.pageY;return false;}).mousemove(function(e){if(!self.isgrabbing)return true;self.scrollTo(this.xp-e.pageX,this.yp-e.pageY);this.xp=e.pageX;this.yp=e.pageY;return false;}).mouseout(function(){self.stopgrab()}).mouseup(function(){self.stopgrab()}).dblclick(function(){var _m=self.m;var off=_m.offset();var dx=this.xp-off.left-_m.width()/2;if(dx<0){dx="+="+dx+"px";}else{dx="-="+-dx+"px";}
var dy=this.yp-off.top-_m.height()/2;if(dy<0){dy="+="+dy+"px";}else{dy="-="+-dy+"px";}
_m.animate({scrollLeft:dx,scrollTop:dy},"normal","swing");});this.centering();},centering:function(){var _m=this.m;var w=this.i.width()-_m.width();var h=this.i.height()-_m.height();_m.scrollLeft(w/2).scrollTop(h/2);},startgrab:function(){this.isgrabbing=true;this.i.css("cursor",this.grabbing);},stopgrab:function(){this.isgrabbing=false;this.i.css("cursor",this.grab);},scrollTo:function(dx,dy){var _m=this.m;var x=_m.scrollLeft()+dx;var y=_m.scrollTop()+dy;_m.scrollLeft(x).scrollTop(y);}};jQuery.fn.scrollview=function(config){return this.each(function(){new ScrollView(this,config);});};})(jQuery);