// Checks e-mail sign up form
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_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_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_findObj(n, d) 
{ //v4.0
  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_validateForm() 
{ //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  { 
    test=args[i+2];
    val=MM_findObj(args[i]);
    if (val) 
    {
      nm=val.name;
      if ((val=val.value)!="") 
      {
        if (test.indexOf('isEmail')!=-1) 
        {
          p=val.indexOf('@');
          if (p<1 || p==(val.length-1))
            errors+='- '+nm+' must contain an e-mail address.\n';
        } 
        else if (test!='R') 
        {
          if (isNaN(val)) 
            errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) 
          {
            p=test.indexOf(':');
            min=test.substring(8,p);
            max=test.substring(p+1);
            if (val<min || max<val)
              errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
          } 
        } 
      } 
      else if (test.charAt(0) == 'R')
        errors += '- '+nm+' is required.\n'; 
    }
  } 
  if (errors)
    alert('Please check that you have added the required e-mail addresses and names.');
  document.MM_returnValue = (errors == '');
}
//-->