var pVscroller=Class.create({initialize:function(divId,height,width,increment,content){if(!content){content=$(divId).innerHTML;}this.scProp={"divId":divId,"height":height,"width":width,"state":"up","increment":increment};var scTBar=new Element("div",{"class":"scTBar"});scTBar.setStyle({width:this.scProp.width+"px"});var scTLink=new Element("a",{"class":"scTLink","href":"javascript:void(0);"}).update();scTBar.appendChild(scTLink);var scBBar=new Element("div",{"class":"scBBar"});scBBar.setStyle({width:this.scProp.width+"px"});var scBLink=new Element("a",{"class":"scBLink","href":"javascript:void(0);"});scBBar.appendChild(scBLink);var scArea=new Element("div",{"class":"scArea"});scArea.makeClipping().setStyle({width:this.scProp.width+"px",height:this.scProp.height+"px","overflow":"hidden"});var scAreaContent=new Element("div",{"class":"scAreaContent"});$(this.scProp.divId).update();scAreaContent.update(content);content=null;scArea.appendChild(scAreaContent);$(this.scProp.divId).appendChild(scTBar);$(this.scProp.divId).appendChild(scArea);$(this.scProp.divId).appendChild(scBBar);$(this.scProp.divId).show();Event.observe(scTLink,"mouseover",function(event){this.scProp.state="up";}.bind(this));Event.observe(scBLink,"mouseover",function(event){this.scProp.state="down";}.bind(this));Event.observe(scArea,"mouseover",function(event){this.scProp.state="none";}.bind(this));Event.observe(scArea,"mouseout",function(event){this.scProp.state="up";}.bind(this));this.scArea=scArea;new PeriodicalExecuter(function(pe){if(this.scProp.state=="up"){if(this.scArea.scrollTop<scArea.scrollHeight-scArea.clientHeight){this.scArea.scrollTop+=this.scProp.increment;}else{this.scProp.state="down";}}else{if(this.scProp.state=="down"){if(this.scArea.scrollTop>0){this.scArea.scrollTop-=this.scProp.increment;}else{this.scProp.state="up";}}}}.bind(this),0.05);}});