var button;
var fields;

Event.observe(window,'load',function() {
	
	button = document.contact.comment_type;
	
	fields = $(new Array("fjoin","fproducer","ffind","fcontact"));
	
	fields.each(function(me) { $(me).hide() });
	
	changeHandler();
	
});



var changeHandler = (function() {

	for(var i=0; i < button.length ; i++) {
		//alert(button[i].checked);
		if(button[i].checked)
			$(fields[i]).show();
		else
			$(fields[i]).hide();
	
	}
	

}).bind(this);