if (document.images) 
{ 
pic1= new Image(900,326); 
pic1.src="images/banner.jpg"; 
pic2= new Image(100,30);
pic2.src="images/tab_dark.png";
pic3= new Image(100,30);
pic3.src="images/tab_light.png";
pic4= new Image(400,50);
pic4.src="images/logos.png";
pic5= new Image(450,450);
pic5.src="images/foil.jpg";
pic6= new Image(10,10);
pic6.src="images/spacer.gif";
}