function couponPop() {
	popWin = window.open('ext/print_coupon.html', '_blank', "height=145,innerHeight=145,width=505,innerWidth=505,menubar=no,toolbar=no,statusbar=no,resizable=no,scrollbars=no,left=20,screenX=20,top=40,screenY=40")
	popWin.focus()
}