obr1=new Image(); obr1.src="pictures/ap1s.jpg";
  obr2=new Image(); obr2.src="picures/ap2s.jpg";
  obr3=new Image(); obr3.src="picures/ap3s.jpg";
  obr4=new Image(); obr4.src="picures/ap4s.jpg";
  obr5=new Image(); obr5.src="picures/ap5s.jpg";
  
  
  function ImageOver(imgName,imgNo)
  {
    eval ("document."+imgName+".src='pictures/ap"+imgNo+"s.jpg'");
  }

  function ImageOut(imgName,imgNo)
  {
    eval ("document."+imgName+".src='pictures/ap"+imgNo+".jpg'");
  }

  function a()
  {

  }