try {
 document.execCommand('BackgroundImageCache', false, true);
} catch(e) {}
var pictures=[
	"/images/bottom_navigation_about.gif","/images/bottom_navigation_about_over.gif",
	"/images/bottom_navigation_swim.gif","/images/bottom_navigation_swim_over.gif",
	"/images/bottom_navigation_staff.gif","/images/bottom_navigation_staff_over.gif"
];
for (i=0;i<pictures.length;i++) {
	jQuery("<img>").attr("src", pictures[i]);
}