// File: scripts.js

<!--
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) { //v4.0
  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_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];}
}
//-->


// Newsletter functions

function valid_email(address)
{
  if (address.indexOf("@")  == -1 || address.indexOf(".") == -1)
  {
    alert("Email addresses must contain one @ symbol and at least one dot");
    return false;
  }

  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'0123456789_-.@";
  var checkStr = address;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);

    if (checkOK.indexOf(ch) == -1)
    {
      alert("Please enter only letter, digit and \"_-'.@\" characters in this email field.");
      return(false);
    }   
  }

  return(true);
}

function login_form_check(theform) {
  
  if (theform.fullname.value == "")
  {
    alert("Please enter your full name");
    theform.fullname.focus();
    return (false);
  }
  if (theform.email.value == "")
  {
    alert("Please enter a value for the Email Address field.");
    theform.email.focus();
    return (false);
  }

  if (!valid_email(theform.email.value))
  {
    theform.email.focus();
    return (false);
  }
  
 return true;
}