// All this used to be in navmenu.asp ...

function frmSubscribeSubmit()
{
  with(document.ccoptin)
  {
		if (ea.value=='' || ea.value=='Your Email Address' )
		{
		  alert('Please Enter your Email Address');
		  ea.focus();
		  ea.value='';
		  return false;
		}
		  
		return checkEmail(ea.value)
  }
	return false;
}


// href function for form submit 
function frmSubscribeGo()
{
	if(frmSubscribeSubmit())
	{
		document.ccoptin.submit();
	}
}
// clears default value from search input box
function clearSubscribe(el)
{
  if (el.defaultValue==el.value) el.value = '';
}


function checkEmail(str)
{

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	    alert("Invalid E-mail ID")
	    return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
	    alert("Invalid E-mail ID")
	    return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	    alert("Invalid E-mail ID")
	    return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
	    alert("Invalid E-mail ID")
	    return false
	 }
	
	 if (str.indexOf(" ")!=-1){
	    alert("Invalid E-mail ID")
	    return false
	 }

	 return true					
}