/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
function contactus(){

    if(document.getElementById('ContactName').value == ''){

            alert('Please enter your name.');
            document.getElementById('ContactName').focus();
            return false;
        }

        if(document.getElementById('ContactEmail').value == ''){

            alert('Please enter your email address.');
            document.getElementById('ContactEmail').focus();
            return false;
        }else{

            if(!isValidEmail(document.getElementById('ContactEmail').value)){

                alert('Please enter valid email address.');
                document.getElementById('ContactEmail').focus();
                return false;
            }
        }

        if(document.getElementById('ContactPhonenumber').value == ''){

            alert('Please enter your phone number.');
            document.getElementById('ContactPhonenumber').focus();
            return false;
        }

        if(document.getElementById('ContactMessage').value == ''){

            alert('Please enter your message.');
            document.getElementById('ContactMessage').focus();
            return false;
        }

        return true;
}