function response ( uid ) {
	var docid1 = "response" + uid;
	var docid2 = "presponse" + uid;
	
	if (document.getElementById(docid1).style.display == "none") {
		document.getElementById(docid1).style.display = "inline"
		document.getElementById(docid2).style.display = "none";
	}
	else {
		document.getElementById(docid1).style.display = "none";
		document.getElementById(docid2).style.display = "inline";
	}
}