/*przewija diva w górę i dół*/
/*Struktura: 
<a href='#' onMouseOver="mouseOver('up')" onMouseOut="mouseOut()">UP</a>
<a href='#' onMouseOver="mouseOver('down')" onMouseOut="mouseOut()">DOWN</a>
   
   */
var intervalID;
var divId="";
  function mouseOver(direction,targetDiv){
	divId=targetDiv;
  	if(direction=='up')
	  	intervalID=setInterval('move_up(divId)',50);
	else if(direction=='down')
		intervalID=setInterval('move_down(divId)',50);
  }
  
  function mouseOut(){
  	clearInterval(intervalID);
  }
  
  function move_up(divId) {
	document.getElementById(divId).scrollTop-=10;
  }
  
  function move_down(divId){
  	document.getElementById(divId).scrollTop+=10;
  }