<!--
function showsnav(id) {
  var s = document.getElementById(id);
  for (var i = 1; i<=10; i++) {
    if (document.getElementById('snav'+i)) {document.getElementById('snav'+i).style.display='none';}
  }
  if (s) {s.style.display='block';}
}


var collimg = new Image();
collimg.src = "images/plus.gif";
var expimg = new Image();
collimg.src = "images/minus.gif";

function ShowHideLayer(boxID) {
  /* Obtain reference for the selected boxID layer and its button */
  var box = document.getElementById("box"+boxID);
  var boxbtn = document.getElementById("btn"+boxID);
	
  /* If the selected box is currently invisible, show it */
  if(box.style.display == "none" || box.style.display=="") {
    box.style.display = "block";
    boxbtn.src = "images/minus.gif";
  }
  /* otherwise hide it */
  else {
    box.style.display = "none";
    boxbtn.src = "images/plus.gif";
  }
}

/*
  function toggleDiv(objID){
    if(document.getElementById(objID).style.display == 'none'){
      document.getElementById(objID).style.display = 'block';
	  document.imgSwap.src='./imgs/minus.gif';
    }else{
      document.getElementById(objID).style.display = 'none';
	  document.imgSwap.src='./imgs/plus.gif';
    }
  }


  function toggleDiv2(divid2){
    if(document.getElementById(divid2).style.display == 'none'){
      document.getElementById(divid2).style.display = 'block';
	  document.imgSwap2.src='./imgs/minus.gif';
    }else{
      document.getElementById(divid2).style.display = 'none';
	  document.imgSwap2.src='./imgs/plus.gif';
    }
  }
*/
//-->