function toTop(id,arrow){
 document.getElementById(id).scrollTop=0
 if(document.getElementById(arrow)!=null)
 {
  document.getElementById(arrow).src='../pic/web/arrows/up2.png'
 }
}

defaultStep=1
step=defaultStep

function scrollDivDown(id,arrow){
 document.getElementById(id).scrollTop+=step;
 timerDown=setTimeout("scrollDivDown('"+id+"')",10);
 if(document.getElementById(arrow)!=null)
 {
  document.getElementById(arrow).src='../pic/web/arrows/down2.png';
 }
}

function scrollDivUp(id,arrow){
 document.getElementById(id).scrollTop-=step
 timerUp=setTimeout("scrollDivUp('"+id+"')",10)
 if(document.getElementById(arrow)!=null)
 {
  document.getElementById(arrow).src='../pic/web/arrows/up2.png'
 }
}

function toBottom(id,arrow){
 document.getElementById(id).scrollTop=document.getElementById(id).scrollHeight
 if(document.getElementById(arrow)!=null)
 {
  document.getElementById(arrow).src='../pic/web/arrows/down2.png'
 }
}

function toPoint(id){
 document.getElementById(id).scrollTop=100
}

function ResetArrow(arrow,up)
{
 if(document.getElementById(arrow)!=null)
 {
  if (up==true)
  {
   document.getElementById(arrow).src='../pic/web/arrows/up.png'
  }
  else
  {
   document.getElementById(arrow).src='../pic/web/arrows/down.png'
  }
 }
}