function SetAttribute()
	{
		document.getElementById("box_1").setAttribute("style", "display:block");
		document.getElementById("box_2").setAttribute("style", "display:block");
		document.getElementById("box_3").setAttribute("style", "display:block");
		document.getElementById("box_4").setAttribute("style", "display:block");
		document.getElementById("box_5").setAttribute("style", "display:block");
	}

function erpel(boxNo)
  {


  if(document.getElementById || document.all)
     {
       var descriptionNo = 'box_' + boxNo;
       var imageName = 'erpel_' + boxNo;

       if(document.getElementById(descriptionNo).style.display == 'none')
       {
         document.getElementById(descriptionNo).style.display = 'block';
         document.images[imageName].src = 'graf/close_box.gif';
       }
       else if(document.getElementById(descriptionNo).style.display == 'block' || document.getElementById(descriptionNo).style.display == '')
       {
         document.getElementById(descriptionNo).style.display = 'none';
         document.images[imageName].src = 'graf/open_box.gif';
       }
     }
  }