var timevar;

function CountChars()
{
     window.clearTimeout(timevar);
     timevar=window.setTimeout("showWndResults()",400);
}

function HideWndAutoSearch()
{
     document.getElementById("frameAutoSearch").style.display = "none";
     document.getElementById("resultsAutoSearch").innerHTML = "";               
}

function showWndResults()
{
     theForm = document.getElementById("frmPesquisa");
     
     var searchInput = theForm.expr.value;     
     var len = searchInput.length;
     
     if(len <= 0)
     {
          document.getElementById("btOk").disabled = true;          
     }
     else
     {
          if(len > 3)	
          {		
               document.getElementById("frameAutoSearch").style.display = "inline";

               var pars = "channelid=" + theForm.channelid.value + "&expr=" + searchInput + "&subch=" + theForm.subch.value;
               
               getAutoSearch(pars); 
          }	
          else
          {
               HideWndAutoSearch();
          }     
          
          document.getElementById("btOk").disabled=false;
     }
}