function checkForm()
        {
        var cname, cemail;
        with(window.document.form_newsletter)
        {
        cname    = first_name;
        cemail   = email_address;        
        }
        chk=trim(cemail.value);
        if(trim(cname.value) == '')
        {
        alert('Please Enter your name');
        cname.focus();
        return false;
        }
        else if(trim(cemail.value) == '')
        {
        alert('Please Enter your Email');
        cemail.focus();
        return false;
        }
        else if((chk.indexOf('@')<=0)||(chk.indexOf('.')<=0)||((chk.charAt(chk.length-4)!='.')&&(chk.charAt(chk.length-3)!='.')))
        {
        alert('Email address is not valid');
        cemail.focus();
        return false;
        }        
        else
        {
        cname.value    = trim(cname.value);
        cemail.value   = trim(cemail.value);        
        //return true;      
        }
        document.form_newsletter.action="subscribe.php";
        document.form_newsletter.submit();   
        }

        function trim(str)
        {
        return str.replace(/^\s+|\s+$/g,'');
        }