function open_pop(endereco, W, H,nome,left,top,rolagem) {
	//W = screen.width-10
	//H = screen.height-60
	W = 750
	H = 420
	left = ((screen.width-W)/2)
	top = ((screen.height-H)/2)
	parametros = "fullscreen=0,location=0,directories=0,menubar=0,toolbar=0,status=0,resizable=0,scrollbars="+rolagem+", width="+W.toString()+", height="+H.toString()+",left="+left.toString()+",top="+top.toString()
	nova = window.open(endereco,nome,parametros)
	nova.focus();
}