/* Created by Sam Rutley at PushON - www.pushon.co.uk */
  function getContentLength( extra ) {
	  var c = document.getElementById( "textinput" ).value;
	  var len = c.length + extra;
	  document.getElementById( "content-length" ).innerHTML = len;
      checkMeta( len, 62, "meta-title-indicator" );
	  checkMeta( len, 200, "meta-keywords-indicator" );
	  checkMeta( len, 250, "meta-description-indicator" );
  }
  function checkMeta( len, maximum, el ) {
  	  if( len > maximum ) {
	   document.getElementById( el ).innerHTML = '<img src="http://www.pushon.co.uk/images/cross.png" alt="Cross" />';
	  } else {
       document.getElementById( el ).innerHTML = '<img src="http://www.pushon.co.uk/images/tick.png" alt="Tick" />';
      }
  }