function MM_goToURL() { //v3.0
  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 MM_swapImgRestore() { //v3.0
  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_preloadImages() { //v3.0
  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_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

function MM_validateForm() { //v4.1
/*
Usage:
  accepts args in triplets
  element name, display name, paramaters

  Element name is the name tag of the element
  Display name will appear in the error message
  Params are:
    R - required field
    E - email address
    N - is a number
*/

  var i = 0;
  var errors = '';
  var args = MM_validateForm.arguments;

  for (i = 0; i < (args.length - 2); i += 3) {
    var obj = MM_findObj(args[i]);  // get the element
    var cn = args[i + 1];           // display or common name
    var param = args[i + 2];        // param string 

    if (obj) { // the element must exist
      var val = obj.value; 
      if (val != "") { // if the field is not empty
        if (param.indexOf('E') != -1) {  // check for valid email
          var p = val.indexOf('@');
          if (p<1 || p==(val.length-1)) {
            errors += '- ' + cn + ' must contain an e-mail address.\n';
          }
        }
        if (param.indexOf('N') != -1) { // check that field is a number
          if (isNaN(parseFloat(val))) {
            errors += '- ' + cn + ' must contain a number.\n';
          }
        }
      } else if (param.indexOf('R') != -1) { // the field is required
        errors += '- ' + cn + ' is required.\n';
      }
    } 
  } // end for

  if (errors) {
    alert('The following error(s) occurred:\n'+errors);
  }

  document.MM_returnValue = (errors == '');

  return;
}

