function fieldcheck(){
	if(form.name.value==""){
		alert("Enter Name");
		form.name.focus();
    	return (false);
	}
	else if (form.email.value==""){
		alert("Enter Email");
		form.email.focus();
    	return (false);
	}
	else if (form.comment.value==""){
		alert("Enter Comment");
		form.comment.focus();
    	return (false);
	}
	
}