function cambio(s,z){document.images[s].src="../imagens/"+z +".gif";}
function ventana(a,b,c,d,e,f){window.open(a,f,"width="+b+",height="+c+",outerwidth="+d+",outerheight="+e);}
function ventana2(a,b,c,d,e,f,g,h){window.open(a,f,"width="+b+",height="+c+",outerwidth="+d+",outerheight="+e+",top="+g+",left="+h);}
function ventana3(a,b,c,d,e,f,g,h){window.open(a,f,"width="+b+",height="+c+",outerwidth="+d+",outerheight="+e+",top="+g+",left="+h+",scrollbars=1");}
function ventana4(a,b,c,d,e,f,g,h){window.open(a,f,"width="+b+",height="+c+",outerwidth="+d+",outerheight="+e+",top="+g+",left="+h+",toolbar = 1"+",menubar = 1"+",scrollbars = 1"+",status = 1");}