// form validation function //
        function validate(form) {
          var email = form.email.value;
          var password = form.password.value;
          var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
          if(email == "") {
            inlineMsg('email','<strong>Error</strong><br />You must enter your email.',2);
            return false;
          }
          if(!email.match(emailRegex)) {
            inlineMsg('email','<strong>Error</strong><br />You have entered an invalid email.',2);
            return false;
          }
          if(password == "") {
            inlineMsg('password','You must enter a password.',2);
            return false;
          }
          if( password.length < 4) {
            inlineMsg('password','<strong>Error</strong><br />The length of your password must be 4 or greater.',2);
            return false;
          }          
          return true;
        }
        
        function validateemail(form) {
          var email = form.email.value;
          var btn = form.btn_login.value;
          var btn2 = form.btn_forgot.value;
          var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
          
          if(email == "") {
            inlineMsg('email','<strong>Error</strong><br />You must enter your email to request for the password.',2);
            return false;
          }
          if(!email.match(emailRegex)) {
            inlineMsg('email','<strong>Error</strong><br />You have entered an invalid email.',2);
            return false;
          }
          return true;
        }