function genFVars() {
		    	
   	var fvars = [ "xmlFile", "chapter", "lesson", "page", "showLesson", "anvisn", "test", "openChapters" ];

 	var ret = {};
 	for(var i=0; i<fvars.length; i++) {
 		var s = fvars[i];
  	if(swfobject.getQueryParamValue(s))
  		ret[s] = swfobject.getQueryParamValue(s);
 	}
 	
 	return(ret);
 	
 }