if (document.images) {
	button_aa = new Image
	button_aa_roll = new Image
	button_bb = new Image
	button_bb_roll = new Image
	button_cc = new Image
	button_cc_roll = new Image
	button_dd = new Image
	button_dd_roll = new Image
	button_ee = new Image
	button_ee_roll = new Image
	button_ff = new Image
	button_ff_roll = new Image
	button_gg = new Image
	button_gg_roll = new Image

	button_aa.src = "images2/button_aa.gif"
	button_aa_roll.src = "images2/button_aa_roll.gif"
	button_bb.src = "images2/button_bb.gif"
	button_bb_roll.src = "images2/button_bb_roll.gif"
	button_cc.src = "images2/button_cc.gif"
	button_cc_roll.src = "images2/button_cc_roll.gif"
	button_dd.src = "images2/button_dd.gif"
	button_dd_roll.src = "images2/button_dd_roll.gif"
	button_ee.src = "images2/button_ee.gif"
	button_ee_roll.src = "images2/button_ee_roll.gif"
	button_ff.src = "images2/button_ff.gif"
	button_ff_roll.src = "images2/button_ff_roll.gif"
	button_gg.src = "images2/button_gg.gif"
	button_gg_roll.src = "images2/button_gg_roll.gif"
	}
	
else {
	button_aa = ""
	button_aa_roll = ""
	button_bb = ""
	button_bb_roll = ""
	button_cc = ""
	button_cc_roll = ""
	button_dd = ""
	button_dd_roll = ""
	button_ee = ""
	button_ee_roll = ""
	button_ff = ""
	button_ff_roll = ""
	button_gg = ""
	button_gg_roll = ""
	}