function registerNewsletter(lang) 
{
	var strEmail = "" ;
	var message = "" ;
	if( document.all.newsLetterForm.email )
	{
		strEmail =  Trim(document.all.newsLetterForm.email.value) ;
		
		if( strEmail == "" )
		{
			message = lang == "A" ? "الرجاء إدخال البريد الالكتروني" : "Please enter your email" ;
			
			alert(message);
			document.all.newsLetterForm.email.focus();
			return false;
 		}
 		if( !isEmail(strEmail))
 		{
			message = lang == "A" ? "الرجاء إدخال البريد الالكتروني بشكل صحيح" : "Please enter valid email" ;
			
			alert(message);
			document.all.newsLetterForm.email.focus();
			return false; 			
 		}
	}
	
	var url = "/IntServices/Actions" ;
	var obj = new Object();	

	if(document.getElementById("btnRegister"))
		document.getElementById("btnRegister").disabled = true ;
		
	if(document.getElementById("btnUnRegister"))
		document.getElementById("btnUnRegister").disabled = true ;

	wopen("","newsLetterWnd",400,100);	

	if(document.getElementById("newsLetterForm"))
		document.getElementById("newsLetterForm").submit();

	if(document.getElementById("btnRegister"))
		document.getElementById("btnRegister").disabled = false ;
		
	if(document.getElementById("btnUnRegister"))
		document.getElementById("btnUnRegister").disabled = false ;	
}