function scrollOverUp(){
		scroller.behavior="scroll"
		scroller.scrollAmount='4'
		scroller.direction="up" 
	  }

	   function scrollOverDown(){
		scroller.behavior="scroll"
		scroller.scrollAmount='4'
		scroller.direction="down"		
	  }

	  function scrollOut2(){
		    scroller.scrollAmount='0'
	  }

	  function scrolldefalt(){
		  scroller.behavior="scroll"
		  scroller.scrollAmount='0'
	  }