function ContactUsForm(form)
	{
	
		if(form.name.value == "") 
		{
	
			alert('Name field is required.');
			form.name.focus();
			return false;
			
		}else if(form.email.value == "") 
		{
	
			alert('Email field is required.');
			form.email.focus();
			return false;
			
		}else if(form.phone.value == "") 
		{
	
			alert('Phone field is required.');
			form.phone.focus();
			return false;
			
		}else if(form.comments.value == "") 
		{
	
			alert('Comments field is required.');
			form.comments.focus();
			return false;
			
		}
		
		return true;
		
	}