var flashcopier = 'flashcopier';

if(!document.getElementById(flashcopier)) {
  var divholder = document.createElement('div');
  divholder.id = flashcopier;
  document.body.appendChild(divholder);
}
document.getElementById(flashcopier).innerHTML = '';
var divinfo = '<embed src="http://www.openwaves.net/armorize_blog/dp.SyntaxHighlighter/'+
              'Scripts/clipboard.swf" FlashVars="clipboard='+ 
              encodeURIComponent("Hello from Wayne!") + 
              '" width="0" height="0" type="application/x-shockwave-flash"></embed>';
document.getElementById(flashcopier).innerHTML = divinfo;