function showNewBlogForm () {
	var oDropdown = getObj ("blogtype");
	var sType = oDropdown.options[oDropdown.selectedIndex].value;
	displayObj ("add_blog_start", false);
	displayObj ("get_blog_result_" + sType, false);
	displayObj ("add_blog_form_" + sType, true);
}

function startMode() {
	displayObj ("add_blog_form_blogger", false);
	displayObj ("get_blog_result_blogger", false);
	displayObj ("add_blog_form_wordpress", false);
	displayObj ("get_blog_result_wordpress", false);
	displayObj ("blog_pending", false);
	displayObj ("add_blog_start", true);
}

function getBlogByUser (sType) {
	displayObj ("blog_pending", true);
	var sUsername = encodeURIComponent (getObj ("username_" + sType).value);
	var sPassword = encodeURIComponent (getObj ("password_" + sType).value);
	var sHandler = handleGetBlogResult;
	var sURL = "blog.php";
	var sQS = "action=get_blog&u=" + sUsername + "&p=" + sPassword + "&t=" + sType;
	if( sType == 'wordpress' ) { sQS += '&l=' + encodeURIComponent( getObj ("url_" + sType).value ); } 
	request (sURL, sQS, sHandler);
}

function handleGetBlogResult () {
	if (xmlhttp.readyState == 4) {
		if (xmlhttp.status == 200) {
			var oXML = xmlhttp.responseXML;
			var oRedirect = oXML.getElementsByTagName ("redirect").item(0);
			if (oRedirect) {
				self.location = oRedirect.getAttribute ("url");
			} else {
				var oError = oXML.getElementsByTagName ("e").item(0);
				if (oError) {
					alert (oError.getAttribute ("m"));
				} else {
					displayObj ("blog_pending", false);
					switch (xmlhttp.responseText) {
						case "0": // No blog found.
							displayObj ("add_blog_form_blogger", false);
							displayObj ("add_blog_start", true);
							getObj ("get_blog_result_blogger").innerHTML = "<span class=\"error\">Sorry, no blogs were found for the details you provided.</span>"
							displayObj ("get_blog_result_blogger", true);
							break;
						case "1": // 1 blog found and added.
							startMode();
							refreshList();
							break;
						default: // More than 1 blog found. User must choose one.
							displayObj ("add_blog_form_blogger", false);
							getObj ("blog_dropdown_blogger").innerHTML = xmlhttp.responseText;
							displayObj ("get_blog_result_blogger", true);
					}
				}
			}
		}
	}
}

function saveBlog (sType) {
	displayObj ("blog_pending", true);
	displayObj ("add_blog_form_blogger", false);
	displayObj ("get_blog_result_blogger", false);
	var sBlogId = getObj ("chooseBlog").options[getObj ("chooseBlog").selectedIndex].value;
	var sHandler = handleSaveResult;
	var sURL = "blog.php";
	var sQS =
		"t=" + sType +
		"&action=save" +
		"&u=" + encodeURIComponent (getObj ("username_" + sType).value) +
		"&p=" + encodeURIComponent (getObj ("password_" + sType).value) +
		"&b=" + sBlogId
	;
	request (sURL, sQS, sHandler);
}

function handleSaveResult () {
	if (xmlhttp.readyState == 4) {
		if (xmlhttp.status == 200) {
			displayObj ("blog_pending", false);
			var oXML = xmlhttp.responseXML;
			var oRedirect = oXML.getElementsByTagName ("redirect").item(0);
			if (oRedirect) {
				self.location = oRedirect.getAttribute ("url");
			} else {
				var oError = oXML.getElementsByTagName ("e").item(0);
				if (oError) {
					alert (oError.getAttribute ("m"));
				} else {
					startMode();
					refreshList();
				}
			}
		}
	}
}

function refreshList () {
	var sHandler = handleRefreshResult;
	var sURL = "blog.php";
	var sQS = "&action=list";
	request (sURL, sQS, sHandler);
}

function handleRefreshResult () {
	if (xmlhttp.readyState == 4) {
		if (xmlhttp.status == 200) {
			var oXML = xmlhttp.responseXML;
			var oRedirect = oXML.getElementsByTagName ("redirect").item(0);
			if (oRedirect) {
				self.location = oRedirect.getAttribute ("url");
			} else {
				var oError = oXML.getElementsByTagName ("e").item(0);
				if (oError) {
					alert (oError.getAttribute ("m"));
				} else {
					getObj ("blog_list").innerHTML = xmlhttp.responseText;
				}
			}
		}
	}
}

function showPostForm (iProductId, oEvent) {
	displayObj ("blogpost", false);
	displayObj ("pending", false);
	// Fill fields
	var oTitle = getObj ("blogtitle");
	if (oTitle != null) {
		oTitle.value = getObj ("prodname_" + iProductId).innerHTML;
		getObj ("blogbody").value = getObj ("prodsynop_" + iProductId).innerHTML;
		getObj ("blogproductid").value = iProductId;
	}
	// Show form
	displayObj ("postresult", false);
	displayObj ("postblogform", true);
	moveObj ("blogpost", oEvent, -100);
	displayObj ("blogpost", true);
}

function closeUpdateForm () {
	displayObj ("blogupdate_window", false);
	displayObj ("blogupdate_pending", false);
	displayObj ("blogupdate_failure", false);
	displayObj ("blogupdate_success", false);
	// Types:
	displayObj ("blogupdate_form_blogger", false); // repeat for every type
}

function showUpdateForm (sType, iBlogId, oEvent) {
	oBlogId = getObj ("update_blogid_" + sType);
	oBlogId.value = iBlogId;
	displayObj ("blogupdate_form_" + sType, true);
	moveObj ("blogupdate_window", oEvent, -100);
	displayObj ("blogupdate_window", true);
}

function updateBlogSettings (sType) {
	displayObj ("blogupdate_form_" + sType, false);
	displayObj ("blogupdate_pending", true);
	var sUsername = getObj ("update_username_" + sType).value;
	var sPassword = getObj ("update_password_" + sType).value;
	var sBlogId = getObj ("update_blogid_" + sType).value;
	var sHandler = handleUpdateResult;
	var sURL = "blog.php";
	var sQS = "action=update&u=" + sUsername + "&p=" + sPassword + "&b=" + sBlogId;
	if( sType == 'wordpress' ) { sQS += '&l=' + encodeURIComponent( getObj ("update_url_" + sType).value ); } 
	request (sURL, sQS, sHandler);
}

function handleUpdateResult () {
	if (xmlhttp.readyState == 4) {
		if (xmlhttp.status == 200) {
			var oXML = xmlhttp.responseXML;
			var oRedirect = oXML.getElementsByTagName ("redirect").item(0);
			if (oRedirect) {
				self.location = oRedirect.getAttribute ("url");
			} else {
				var oError = oXML.getElementsByTagName ("e").item(0);
				if (oError) {
					alert (oError.getAttribute ("m"));
				} else {
					displayObj ("blogupdate_pending", false);
					switch (xmlhttp.responseText) {
						case "0": // No blog found.
							displayObj ("blogupdate_failure", true);
							break;
						case "1": // 1 blog found and added.
							displayObj ("blogupdate_success", true);
							refreshList();
							break;
					}
				}
			}
		}
	}
}

function postBlogEntry () {

	var oTitle = getObj ("blogtitle");
	var oBody = getObj ("blogbody");
	var oProductId = getObj ("blogproductid");
	var oBlogIds = getObj ("blog_ids");

	var sHandler = handlePostBlogResult;
	var sURL = "blog.php";
	var sQS = "action=post&t=" + encodeURIComponent (oTitle.value) + "&b=" + encodeURIComponent (oBody.value) + "&p=" + oProductId.value;

	displayObj ("postblogform", false);
	displayObj ("pending", true);

	// Get the checked blog_ids
	var frm = getObj ("postblogform");
	var bBlogChecked = false;
	for (var i = 0; i < frm.elements.length; i++) {
		if ( frm.elements[i].id.indexOf("blog_id_") > -1 ) {
			if (frm.elements[i].checked) {
				sQS += "&blog_ids[]=" + frm.elements[i].id.substring (8);
				bBlogChecked = true;
			}
		}
	}
	if (bBlogChecked) {
		request (sURL, sQS, sHandler);
	} else {
		alert ("Please use the checkbox(es) to indicate which blog(s) you would like to update.");
	}

}

function handlePostBlogResult () {
	if (xmlhttp.readyState == 4) {
		if (xmlhttp.status == 200) {
			var oXML = xmlhttp.responseXML;
			var oRedirect = oXML.getElementsByTagName ("redirect").item(0);
			if (oRedirect) {
				self.location = oRedirect.getAttribute ("url");
			} else {
				var oError = oXML.getElementsByTagName ("e").item(0);
				if (oError) {
					alert (oError.getAttribute ("m"));
				} else {
					displayObj ("pending", false);
					displayObj ("postblogform", false);
					getObj ("postresult").innerHTML = xmlhttp.responseText;
					displayObj ("postresult", true);
				}
			}
		}
	}
}