var thisDate = new Date();
if((new Date('2005/12/13') - thisDate) > 0)
	window.open('aviso.asp?imagem=..%2Fadmin%2FimageUp%2FpopUp%2F000007_121246.jpg&larg=400&alt=402', '', 'location=no, width=420, title=no, height=422, left=120, top=120');