if (document.images) 
{ 
pic1= new Image(1024,615); 
pic1.src="images/bg1.gif"; 
pic2= new Image(470,147);
pic2.src="images/logo_fourseasons.png";
pic3= new Image(10,30);
pic3.src="images/nav_dark.jpg";
pic4= new Image(10,30);
pic4.src="images/nav_light.jpg";
pic5= new Image(30,30);
pic5.src="images/spacer.gif";
}