function writeDetailText(dropDownValue) {
												
	var detailLabel = document.getElementById("ReferrerDetailLabel");
	var detailField = document.getElementById("sReferrerDetail");
	
	if (dropDownValue == "Referral") {
		detailLabel.innerHTML = "Who referred you?";
	}
	else if (dropDownValue == "Magazine") {
		detailLabel.innerHTML = "Which magazine?";
	}
	else if (dropDownValue == "Radio") {
		detailLabel.innerHTML = "Which city and station?";
	}
	else if (dropDownValue == "Television") {
		detailLabel.innerHTML = "Which TV network?";
	}
	else if (dropDownValue == "Website") {
		detailLabel.innerHTML = "Which website?";
	}
	else if (dropDownValue == "Search Engine") {
		detailLabel.innerHTML = "Which search engine?";
	}
	else if (dropDownValue == "Billboard") {
		detailLabel.innerHTML = "Billboard location?";
	}
	else if (dropDownValue == "Other") {
		detailLabel.innerHTML = "Please specify:";
	}
	else {
		detailLabel.innerHTML = "Please specify:";
	}
	
	if (dropDownValue != "") {
		detailField.disabled = false;
	}
	else {
		detailField.value = "";
		detailField.disabled = true;
	}
	
	
	
}