function CheckSubmitEmail()
{

/*var email_str = trim(document.getElementById('club_email_id').value);
	if (email_str == '')
	{
		return false;
	}
	else*/
	{
		var email_str = document.getElementById('email').value;
		
		if ( email_str == '' )
			return false;
		//alert ('str: ' + str);
		var format =  email_str.match(/^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/);
		//alert ('format: ' + format);
		if(!format)
		{
			//alert ('E-mail address format invalid.');
			//document.getElementById("club_email_id").focus();
			return false;		
		}
		return true;
	}
}//CheckSubmitEmail

function checkform() {
	if (!CheckSubmitEmail()){
		alert("invalid email address format");
		return false;
	}
  for (i=0;i<fieldstocheck.length;i++) {
    if (eval("document.subscribeform.elements['"+fieldstocheck[i]+"'].type") == "checkbox") {
      if (document.subscribeform.elements[fieldstocheck[i]].checked) {
      } else {
        alert("Please enter your "+fieldnames[i]);
        eval("document.subscribeform.elements['"+fieldstocheck[i]+"'].focus()");
        return false;
      }
    }
    else {
      if (eval("document.subscribeform.elements['"+fieldstocheck[i]+"'].value") == "") {
        alert("Please enter your "+fieldnames[i]);
        eval("document.subscribeform.elements['"+fieldstocheck[i]+"'].focus()");
        return false;
      }
    }
  }
  for (i=0;i<groupstocheck.length;i++) {
    if (!checkGroup(groupstocheck[i],groupnames[i])) {
      return false;
    }
  }
  
  if(! compareEmail())
  {
    alert("Email Addresses you entered do not match");
    return false;
  }
  return true;
}

var fieldstocheck = new Array();
var fieldnames = new Array();
function addFieldToCheck(value,name) {
  fieldstocheck[fieldstocheck.length] = value;
  fieldnames[fieldnames.length] = name;
}
var groupstocheck = new Array();
var groupnames = new Array();
function addGroupToCheck(value,name) {
  groupstocheck[groupstocheck.length] = value;
  groupnames[groupnames.length] = name;
}

function compareEmail()
{
  return (document.subscribeform.elements["email"].value == document.subscribeform.elements["emailconfirm"].value);
}
function checkGroup(name,value) {
  option = -1;
  for (i=0;i<document.subscribeform.elements[name].length;i++) {
    if (document.subscribeform.elements[name][i].checked) {
      option = i;
    }
  }
  if (option == -1) {
    alert ("Please enter your "+value);
    return false;
  }
  return true;
}