if (document.images || document.a) {
	application1a = new Image();
	application1a.src = "images/applications/application1a.gif";
	application1b = new Image();
	application1b.src = "images/applications/application1b.gif";
	application1c = new Image();
	application1c.src = "images/applications/application1c.gif";
	application2a = new Image();
	application2a.src = "images/applications/application2a.gif";
	application2b = new Image();
	application2b.src = "images/applications/application2b.gif";
	application2c = new Image();
	application2c.src = "images/applications/application2c.gif";
	provision1 = new Image();
	provision1.src = "images/applications/provision1.gif";
	provision2 = new Image();
	provision2.src = "images/applications/provision2.gif";
	stepup_2 = new Image();
	stepup_2.src = "images/bookkeeping/stepup_2.gif";
	stepup_860 = new Image();
	stepup_860.src = "images/toeic/stepup_860.gif";
	click = new Image();
	click.src = "images/access/click.gif";

	application1a_over = new Image();
	application1a_over.src = "images/applications/application1a_over.gif";
	application1b_over = new Image();
	application1b_over.src = "images/applications/application1b_over.gif";
	application1c_over = new Image();
	application1c_over.src = "images/applications/application1c_over.gif";
	application2a_over = new Image();
	application2a_over.src = "images/applications/application2a_over.gif";
	application2b_over = new Image();
	application2b_over.src = "images/applications/application2b_over.gif";
	application2c_over = new Image();
	application2c_over.src = "images/applications/application2c_over.gif";
	provision1_over = new Image();
	provision1_over.src = "images/applications/provision1_over.gif";
	provision2_over = new Image();
	provision2_over.src = "images/applications/provision2_over.gif";
	stepup_2_over = new Image();
	stepup_2_over.src = "images/bookkeeping/stepup_2_over.gif";
	stepup_860_over = new Image();
	stepup_860_over.src = "images/toeic/stepup_860_over.gif";
	click_over = new Image();
	click_over.src = "images/access/click_over.gif";
}

function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + ".src");
	}
}

function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_over.src");
	}
}