function resetSelectors()
{
	document.all.dlButton.disabled = true;
	document.all.dlButton.src = "images/search_nogo.gif";
	
}

function setSearch(text) {
  var btn = document.all.dlButton;
  if (text || '') {
	  btn.disabled = false;
	  btn.src = "images/search_go.gif";
 	 }
	else {
		 resetSelectors();
		 return false;
		} 	 
  }