function hWin(URL) {
	ls = screen.width/2 - 340
	t = screen.height
	if (t <= 600) {t = 0}
	else {t = t/2 - 260}
	pic = window.open(URL,'',
	"resizable=yes,scrollbars=yes,width=577,height=620,left="+ls+",top="+t+"")
}