iens6=document.all||document.getElementById;

		

var speed=1;



if (iens6){
	var crossobj=document.getElementById? document.getElementById("conteudoScroll") : document.all.content;
	var tam=crossobj.offsetHeight;
	crossobj.style.top = 0;
}


function moveDown(){
	if (iens6 && parseInt(crossobj.style.top)>=-tam+160)
 		crossobj.style.top=parseInt(crossobj.style.top)-speed+'px';
	moveDownvar = setTimeout("moveDown()",0);
}



function moveUp(){
	if (iens6 && parseInt(crossobj.style.top)<=0)
		crossobj.style.top=parseInt(crossobj.style.top)+speed+'px';
	moveUpvar = setTimeout("moveUp()",0);
}



function getcontent_height(){
	if (iens6)
	tam=crossobj.offsetHeight;
}



function incSpeed(qnt){

	speed+=qnt;

}



function defSpeed(){

	speed=2;

}

window.onload=getcontent_height();