function changeImages() {
	//if (document.images) {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function popupWin(link, w, h) {
	var win;
	var args;
	args='toobar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=' + w + ',height=' + h;
	win = window.open(link, '1', args);
}

function validEmailAddress(addr) {
	// addr is a nont null and non-empty string
	if ((addr == null) || (addr == "undefined") || (addr == ""))
		return false;
	var i = addr.indexOf("@");
	// '@' should exist
	if (i < 0)
		return false;
	var name = addr.substring(0, i);
	var domain = addr.substring(i + 1);
	// Name should exist	before '@'
	if (name.length == 0)
		return false;
	// '.' should exist in a domain name
	if (domain.indexOf(".") < 1)
		return false;
	// '.' should not be the last character
	if (domain.length == (domain.indexOf(".")+1))
		return false;
	return true;
}

function IsEmpty(aTextField) {
   if ((aTextField.value.length==0) ||
   (aTextField.value==null)) {
      return true;
   }
   else { return false; }
} 

function ValidateForm(form) {

   if (!validEmailAddress(form.email.value))
   {
      alert('Please Enter A Valid Email Address');
      form.email.focus();
      return false;
   }

   if(IsEmpty(form.realname))
   {
      alert('Please Enter Your Name');
      form.realname.focus();
      return false;
   }

   //if(IsEmpty(form.Address_1))
   //{
   //   alert('Please Enter Your Address');
   //   form.address_1.focus();
   //   return false;
   //}

   //if(IsEmpty(form.City))
   //{
   //   alert('Please Enter Your City');
   //   form.city.focus();
   //   return false;
   //}

   //if(IsEmpty(form.State))
   //{
   //   alert('Please Enter Your State');
   //   form.State.focus();
   //   return false;
   //}

   //if(IsEmpty(form.Zip))
   //{
   //   alert('Please Enter Your Zip Code');
   //   form.Zip.focus();
   //   return false;
   //}

   //if(IsEmpty(form.Phone_Number))
   //{
   //   alert('Please Enter Your Phone Number');
   //   form.Phone_Number.focus();
   //   return false;
   //}


return true;

}