function CheckForm(f) 
{			
	if (f.name.value == "") 
	{				
		alert("Please enter your Name.");				
		f.name.focus();				
		return false;			
	}						
	if (f.email.value == "") 
	{				
		alert("Please enter your Email Address.");				
		f.email.focus();				
		return false;			
	}
	if (f.comment.value == "") 
	{				
		alert("Please enter your Message.");				
		return false;			
	}
	
	
	document.f.submit();		
}