//image cache
	if (document.images) {
	
	//b_home_on = new Image();
	//b_home_on.src = baseDir + "images/main/b_home_over.gif";
	
	//b_home_off = new Image();
	//b_home_off.src = baseDir + "images/main/b_home.gif";
	
	nav_s1_on = new Image();
	nav_s1_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s1_off = new Image();
	nav_s1_off.src = baseDir + "images/main/spacer.gif";
	
	nav_s2_on = new Image();
	nav_s2_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s2_off = new Image();
	nav_s2_off.src = baseDir + "images/main/spacer.gif";
	
	nav_s3_on = new Image();
	nav_s3_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s3_off = new Image();
	nav_s3_off.src = baseDir + "images/main/spacer.gif";
	
	nav_s4_on = new Image();
	nav_s4_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s4_off = new Image();
	nav_s4_off.src = baseDir + "images/main/spacer.gif";
	
	nav_s5_on = new Image();
	nav_s5_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s5_off = new Image();
	nav_s5_off.src = baseDir + "images/main/spacer.gif";
	
	nav_s6_on = new Image();
	nav_s6_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s6_off = new Image();
	nav_s6_off.src = baseDir + "images/main/spacer.gif";
	
	nav_s7_on = new Image();
	nav_s7_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s7_off = new Image();
	nav_s7_off.src = baseDir + "images/main/spacer.gif";
	
	nav_s8_on = new Image();
	nav_s8_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s8_off = new Image();
	nav_s8_off.src = baseDir + "images/main/spacer.gif";
	
	nav_s9_on = new Image();
	nav_s9_on.src = baseDir + "images/main/nav_over.gif";
	
	nav_s9_off = new Image();
	nav_s9_off.src = baseDir + "images/main/spacer.gif";
		
	}
	
	//end image cache