function init() {		
	
$('contact_submit').observe('click', function(e) {
                       		if ($F('name') == '' || $F('company') == '' || $F('email') == '' || $F('phone') == '')
							{
								alert('Please fill in all required form fields.');
								e.stop(); 
								return false;
							}
							else
							{
								
								var validEmail = $F('email').match(/^[^@\s]+@([-a-z0-9_]+\.)+[a-z]{2,}$/i);

								if (!validEmail)
								{
									alert('Please enter a valid email address');
									e.stop(); 
									return false;
								}
								
								displayLoader(this);
							}
					});
	
}

Event.observe(document, 'dom:loaded', init);