function newImage(arg) {
   	if (document.images) {
   		rslt = new Image();
   		rslt.src = arg;
   		return rslt;
   	}
   }
  
   var preloadFlag = false;
   function preloadCountryMapImages() {
   	if (document.images) {
   		map_textoff_botswana = newImage("./images/map_textoff_botswana.jpg");
		map_textoff_mozambique = newImage("./images/map_textoff_mozambique.jpg");
		map_textoff_malawi = newImage("./images/map_textoff_malawi.jpg");
		map_textoff_sAfrica = newImage("./images/map_textoff_sAfrica.jpg");
		map_textoff_zambia = newImage("./images/map_textoff_zambia.jpg");   		
   	}
   }
   
   
   function turnOffCountryTextImages() {
   MM_swapImage('map_textoff_botswana','','./images/map_textoff_botswana.jpg',1);
   MM_swapImage('map_textoff_mozambique','','./images/map_textoff_mozambique.jpg',1);
   MM_swapImage('map_textoff_malawi','','./images/map_textoff_malawi.jpg',1);
   MM_swapImage('map_textoff_sAfrica','','./images/map_textoff_sAfrica.jpg',1);
   MM_swapImage('map_textoff_zambia','','./images/map_textoff_zambia.jpg',1);
   }