var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre__1 = newImage('images/common/btn/top/over/1.gif');
		pre__2 = newImage('images/common/btn/top/over/2.gif');
		pre__3 = newImage('images/common/btn/top/over/3.gif');
		pre__4 = newImage('images/common/btn/top/over/4.gif');
		pre__5 = newImage('images/common/btn/top/over/5.gif');
		pre__6 = newImage('images/common/btn/top/over/6.gif');
		pre__7 = newImage('images/common/btn/top/over/7.gif');
		pre__8 = newImage('images/common/btn/top/over/8.gif');
		pre__1 = newImage('images/common/btn/contact/over/1.gif');
		pre__2 = newImage('images/common/btn/side/over/2.gif');
		pre__3 = newImage('images/common/btn/side/over/3.gif');
		pre__4 = newImage('images/common/btn/side/over/4.gif');
		pre__5 = newImage('images/common/btn/side/over/5.gif');
		pre__6 = newImage('images/common/btn/side/over/6.gif');
		pre__7 = newImage('images/common/btn/side/over/7.gif');
		pre__8 = newImage('images/common/btn/side/over/8.gif');
		pre__9 = newImage('images/common/btn/side/over/9.gif');
		pre__10 = newImage('images/common/btn/side/over/10.gif');
		pre__11 = newImage('images/common/btn/side/over/11.gif');
		pre__12 = newImage('images/common/btn/side/over/12.gif');
		pre__13 = newImage('images/common/btn/side/over/13.gif');
		pre__14 = newImage('images/common/btn/side/over/14.gif');
		preloadFlag = true;
	}
}