function MM_preloadImages()
    { 
  var d=document; if(d.images)
                  { if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
    }

function MM_swapImgRestore() 
   {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
   }

function MM_findObj(n, d)
   {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length)
    {
     d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
     }
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
  }

function MM_swapImage()
  { 
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null)
    {
    document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];
    }
  }

function MM_goToURL() 
  { 
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}


function ventanan(url) {
        var ventan = window.open(url,"verventanas","width=200,height=200,scrollbars=no,resizable=no,menubar=no,statusbar=no");
}

function nventanan(url) {
        var ventan = window.open(url,"verventanas","width=640,height=480,scrollbars=si,menubar=no,statusbar=no");
}