if (document.images)
{
  pic1= new Image(375,270); 
  pic1.src="../images/map.over.cambodia.gif"; 
		
  pic2= new Image(375,270); 
  pic2.src="../images/map.over.indonesia.gif"; 
		
  pic3= new Image(375,270); 
  pic3.src="../images/map.over.malaysia.gif"; 
		
  pic4= new Image(375,270); 
  pic4.src="../images/map.over.myanmar.gif"; 
		
  pic5= new Image(375,270); 
  pic5.src="../images/map.over.philippines.gif"; 
		
  pic6= new Image(375,270); 
  pic6.src="../images/map.over.thailand.gif"; 
		
  pic7= new Image(375,270); 
  pic7.src="../images/map.over.vietnam.gif"; 
}