function showDiveSite(idNum, siteName){
	var id = document.getElementById(idNum);
	var textNode = document.createTextNode(siteName);
	if(id.hasChildNodes()){
		id.removeChild(id.childNodes[0]);
	}
	id.appendChild(textNode);

	return 0;
}

function hideDiveSite(idNum){
	var id = document.getElementById(idNum);
	var textNode = document.createTextNode(" ");
	if(id.hasChildNodes()){
		id.removeChild(id.childNodes[0]);
	}
	id.innerHTML = " ";

	return 0;
}