var dir="maps/";	

if (document.images) {
	lagos1 = new Image;
	lagos2 = new Image;
	lagos3 = new Image;
	lagos4 = new Image;
	lagos5 = new Image;
		
	lagos1.src = dir + "agege.jpg";
	lagos2.src = dir + "mushin.jpg";
	lagos3.src = dir + "lagos.jpg";
	lagos4.src = dir + "itire.jpg";
	lagos5.src = dir + "apapa.jpg";

}