this.linhas=function(){
var id="linhas-especiais";
var nav=["","",""];
var navId=["btnUp","btnDown","btnReset"];
var speed=6;
var height=281;
var obj=document.getElementById(id);
if(obj == null) return;
obj.up=false;
obj.down=false;
obj.fast=false;
var container=document.createElement("div");
var parent=obj.parentNode;
container.id="slider-linhas";
parent.insertBefore(container,obj);
parent.removeChild(obj);
container.style.position="relative";
container.style.height=height+"px";
container.style.overflow="hidden";
obj.style.position="absolute";
obj.style.top="0";
obj.style.left="0";
container.appendChild(obj);
var btns=new Array();
var ul=document.createElement("ul");
ul.id="linhas-nav";
for(var i=0;i<nav.length;i++){
var li=document.createElement("li");
li.innerHTML=nav[i];
li.id=navId[i];
btns.push(li);
ul.appendChild(li);
};
parent.insertBefore(ul,container);
btns[0].onmouseover=function(){
obj.up=true;
this.className = "over";
};
btns[0].onmouseout=function(){
obj.up=false;
this.className = "";
};
btns[1].onmouseover=function(){
obj.down=true;
this.className = "over";
};
btns[1].onmouseout=function(){
obj.down=false;
this.className = "";
};
this.start=function(){
var newTop;
var objHeight=obj.offsetHeight;
var top=obj.offsetTop;
var fast=(obj.fast)?3:1;
if(obj.down){
newTop=((objHeight+top)>height)?top-(speed*fast):top;
obj.style.top=newTop+"px";
};
if(obj.up){
newTop=(top<0)?top+(speed*fast):top;
obj.style.top=newTop+"px";
};
};
obj.interval=setInterval("start()",50);
};
this.addEvent=function(obj,type,fn){
if(obj.attachEvent){
obj['e'+type+fn]=fn;
obj[type+fn]=function(){obj['e'+type+fn](window.event);}
obj.attachEvent('on'+type,obj[type+fn]);
}else{
obj.addEventListener(type,fn,false);
};
};
addEvent(window,"load",linhas);