var websiteAddress = "";

/* ########### */
/*    ajax    */
/* ########## */

function getSSContent(element, action, params)
{
    $(element).innerHTML = "<img src=\"" + imageFolder + "spinner.gif\">";

    reportError = function(){
	$(element).innerHTML = "<table border=\"0\" cellspacing=\"0\" cellpadding=\"3\"><tr><td>An error has occurred! Please try again.</td></tr></table>";
    };

    var myAjax = new Ajax.Updater(
    {
	success: element
    },
    websiteAddress + 'process.php',
    {
	method: 'post',
	parameters: 'action=' + action + '&' + params,
	evalScripts: true,
	onFailure: reportError
    });
}

function getPeriodUpdateForClass(element, action, params, freq)
{
    $(element).innerHTML = "<img src=\"" + imageFolder + "class_loader.gif\">";

    reportError = function(){
	$(element).innerHTML = "<table border=\"0\" cellspacing=\"0\" cellpadding=\"3\"><tr><td>An error has occurred!.</td></tr></table>";
    };

    var myAjax = new Ajax.PeriodicalUpdater(
    {
	success: element
    },
    websiteAddress + 'process.php',
    {
	method: 'post',
	parameters: 'action=' + action + '&' + params + "&date=" + $("txt_hid_class_date").value,
	evalScripts: true,
	onFailure: reportError,
	frequency: freq,
	onsuccess: function(response){
	    addClassMessageNode(response.responseText);
	}

    });
}