var current = 0;
var counter = 0;
var step = 10;
var i = 2;
var mouseOver = false;
var oldScrollTop = -1;

function startScroll(){
if(oldScrollTop == document.getElementById('box').scrollTop){
       mouseOver = false;
}else{
       oldScrollTop = document.getElementById('box').scrollTop;
       counter++;
       scrollDown();
}
}

function startScrollUp(){
if(oldScrollTop == document.getElementById('box').scrollTop){
       mouseOver = false;
}else{
       oldScrollTop = document.getElementById('box').scrollTop;
       counter++;
       scrollUp();
}
}

function startScrollOnMouseOver(){
       mouseOver = true;
       scrollDownMouseOver();
}

function stopScrollOnMouseOver(){
       mouseOver = false;
}

function startScroll(){
	counter++;
	scrollDown();

}

function lightLink(){
	counter++;
	lightMouseOver();
}

function highlightLine(element){
       element.className = 'line';
       //document.getElementById ('lineEmpresa').className = '';
}
function highlightLine2(element){
       element.className = 'line';
}
function unlightLine(element){
       element.className = ''
}

function scrollDown()
{
if (current >= (-1)*(counter)*2*step ){
	document.getElementById('box').scrollTop = (-1)*current;
	current = current - step;
	timeout=setTimeout("scrollDown()",70);
}
}

function scrollDownMouseOver(){
if (mouseOver){
       document.getElementById('box').scrollTop = (-1)*current;
       current = current - step;
       timeout=setTimeout("scrollDownMouseOver()",70);
}
}

function lightMouseOver(){
if (mouseOver){
       document.getElementById('line'+counter).className = 'line';
}
}

function startScrollOnMouseOverUp(){
       mouseOver = true;
       scrollUpMouseOver();
}

function stopScrollOnMouseOverUp(){
       mouseOver = false;
}

/*function startScrollUp(){
	counter++;
	scrollUp();

}*/

function scrollUp()
{
if (current >= (-1)*(counter)*2*step ){
	document.getElementById('box').scrollTop = (-1)*current;
	current = current + step;
	timeout=setTimeout("scrollUp()",70);
}
}

function scrollUpMouseOver(){
if (mouseOver){
       document.getElementById('box').scrollTop = (-1)*current;
       current = current + step;
       timeout=setTimeout("scrollUpMouseOver()",70);
}
}