code: function(){
  		var i, script,
  		  scripts = doc[STR_GET_BY_TAG]('script');
  		for (i = scripts.length - 1; i > -1 && (script = scripts[i]); i--) {
  			if (script.readyState === 'interactive') {
  				return script;
  			}
  		}
  	}
docs: =========== INTERACTIVE STUFF =========== Logic that deals with making steal work with IE.  IE executes scripts out of order, so in order to tell which scripts are dependencies of another, steal needs to check which is the currently "interactive" script.