function releaseFunc(rf){

//alert(rf);
eval(rf).blur();
}
prevBlock = new Array();
function swap(targetId){

                          
if(document.getElementById){

prevBlock.unshift(targetId);
  //alert(prevBlock[1]);
  
     
target = document.getElementById(targetId);
 try{
 var tsd = target.style.display.value;
   if(tsd == "none")
     {
     target.style.display = "block";
     }
    else
    {
    target.style.display = "none";
    }
 }
 catch(e){
 
 }
    if(prevBlock[0]!=prevBlock[1]){
     if((prevBlock[1] != null)||(prevBlock[1] != undefined)){
      pb = prevBlock.pop();
      pbt = document.getElementById(pb);
      pbt.style.display = "none";
     }
     }else{
     prevBlock.pop();
          }
     
   }



}