function collapse_1( whichEl )
{
 	whichEl.display = (whichEl.display == "none")? "" : "none";
}

function abrir(pagina,largura,altura)
{
      config="toolbar=no,location=no,width="+largura+",height="+altura+",status=no,menubar=no,scrollbars=no,resizable=no,top=10,left=10";
      pop=window.open(pagina,"newwindow",config);
}