//General
function openNewWindow(URLtoOpen, windowName, windowFeatures) { newWindow=window.open(URLtoOpen, windowName, windowFeatures); }

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];}
}


// CHECK AGE
function checkAge() {
var d = new Date();
var curryear = d.getFullYear();
var agelimit = 13;
var theiryear = document.getElementById("byear").value;
var diffyear = curryear - theiryear;

if (diffyear <= agelimit) {
window.location.href = 'subscribe_underage.php';
	return false;
} else {
return true;
}
}


// CHECK REGISTRATION
function CheckForm() {
theFrm = document.theform;


// Check Email
hasDot = theFrm.email.value.indexOf(".");
hasAt = theFrm.email.value.indexOf("@");

if (hasDot == -1 || hasAt == -1) {
	alert("Please enter a valid email address.");
	theFrm.email.focus();
	theFrm.email.select();
	return false;
}

//Email Confirm Check
valcheck = document.getElementById("email2");
if (valcheck.value == "") {
	alert("Please enter a value for the 'Confirm Email' field.");
	valcheck.focus();
	valcheck.select();
	return false;
}


//Check if Emails are the same
valcheck=document.getElementById("email");
valcheck2=document.getElementById("email2");

if (valcheck2.value != valcheck.value) {
	alert("Your email addresses don't match, please try again");
	valcheck.focus();
	valcheck.select();
	return false;
}

//First Name Check
valcheck = document.getElementById("fname");
if (valcheck.value == "") {
	alert("Please enter a value for the 'First Name' field.");
	valcheck.focus();
	valcheck.select();
	return false;
}

//Last Name Check			
valcheck = document.getElementById("lname");
if (valcheck.value == "") {
	alert("Please enter a value for the 'Last Name' field.");
	valcheck.focus();
	valcheck.select();
	return false;
} 

//Birth Month			
valcheck = theFrm.bmonth.selectedIndex;
if(valcheck ==0 ) {
	alert("Please enter a value for the 'Birth Month' field.");
	return false;
}

//Birth Day				
valcheck = theFrm.bday.selectedIndex;
if(valcheck ==0 ) {
	alert("Please enter a value for the 'Birth Day' field.");
	return false;
}

//Birth Year				
valcheck = theFrm.byear.selectedIndex;
if(valcheck ==0 ) {
	alert("Please enter a value for the 'Birth Year' field.");
	return false;
} else {
	return checkAge();
}
}