// JavaScript Document
function change1(){	
     ID = document.getElementById('positioner1');	 
   
     if(ID.style.display == "none")
          ID.style.display = "";
 }
 function change2(){	
     ID = document.getElementById('positioner1');	 
   
     if(ID.style.display == "")
          ID.style.display = "none";
 }



function change3(){	
     ID = document.getElementById('positioner2');	 
   
     if(ID.style.display == "none")
          ID.style.display = "";
 }
 function change4(){	
     ID = document.getElementById('positioner2');	 
   
     if(ID.style.display == "")
          ID.style.display = "none";
 }