function findtext(thisedt,sought)
//thisedt = textEdit to be searched.
//sought = string to be searched for.
{
   //both toLowerCase for case-insensitive search
   var lc = thisedt.GetText().toLowerCase();
   sought = sought.toLowerCase();
   //current cursor position is start for search
   var curs = thisedt.GetCursorPos();
   //only compare against the searchable range
   lc = lc.slice(curs+1)
   // try to find next occurence of sought
   var pos = lc.search(sought);
   if ( pos > -1)
   { 
      //we found it
      pos  = pos + curs +1
      thisedt.SetCursorPos(pos)
      thisedt.SetSelection(pos, pos+sought.length);
   }
   else
   {
      //not found - go to start of text
      //user can search again from there if required.
      thisedt.SetCursorPos(0)
   }
}