function contactusValidate()
{
	form=document.contactus;
	if (form.contactname.value=='')
	{
		alert('Please enter a name !');
		 form.contactname.focus();
		return false;    
	}
	if (!(form.emailAddress.value==''))
		if (!ValidateEmail(form.emailAddress.value))
		{
			form.emailAddress.focus();
			return false;    
		}
	if (form.comments.value=='')
	{
		alert('Please enter some comments  !');
		 form.comments.focus();
		return false;    
	}
form.submit();
}