ns4 = (document.layers)? true:false
    ie4 = (document.all)? true:false

    function init() {
      if (ns4) block = document.blockDiv
      if (ie4) block = blockDiv.style
    }

function Show(blockid) { 
blockid.filters.revealTrans.apply(); 
blockid.style.visibility = "visible"; 
blockid.filters.revealTrans.play(); 
} 
function Hide(blockid) { 
blockid.filters.revealTrans.apply(); 
blockid.style.visibility = "hidden"; 
blockid.filters.revealTrans.play(); 
} 
// JavaScript Document