// CheckOnLoad is called standard in the body onLoad of all PM 2.5 instances.
function CheckOnLoad() {
    // InstanceCheckOnLoad is optional
    if (window.InstanceCheckOnLoad) {
        InstanceCheckOnLoad();
    }
}

// CheckOnResize is called standard in the body onResize of all PM 2.5 instances.
function CheckOnResize() {
    if (window.RunOnResize) {
        RunOnResize();
    }
}



//returns the form prefix extracted from a field name
function getFieldPrefix(fieldName) {
    var prefix = null;
    if (fieldName.match(/^ASPIP[0-9]+_[0-9]+_/i)) {
        prefix = fieldName.match(/^ASPIP[0-9]+_[0-9]+_/i)[0];
    }
    return prefix == null ? '' : prefix;
}

// include the Form Validation javascript - _required, _validEmail etc.
//document.write("<script type=\"text/javascript\" src=\"/svr_pmroot/svr_includes/js/checkForm_insert.js\"></script>");
//document.write("<script type=\"text/javascript\" src=\"/files/1/1/formValidation.js\"></script>");
//document.write("<script type=\"text/javascript\" src=\"/files/1/1/formValidation_functions.js\"></script>");


var keyPressHandlingSetupRun = false;

// init event on valid form elements to assign themselves to the above var when they get focus
function KeyPressHandlingSetup() {
    // for valid clients
    if (document.getElementById && !keyPressHandlingSetupRun) {
        keyPressHandlingSetupRun = true;
        // for each of the forms on the page
        for (var f = 0; f < document.forms.length; f++) {
            // for each item in the form
            for (var i = 0; i < document.forms[f].elements.length; i++) {
                // get the current form element	
                var currentElement = document.forms[f].elements[i];

                // check it's not a text area
                if (currentElement.type != "textarea" && currentElement.type != "hidden") {
                    // assign the onkeypress event handler
                    if (currentElement.onkeypress != null) {
                        currentElement.onkeypress += KeyPressHandler;
                    }
                    else {
                        currentElement.onkeypress = KeyPressHandler;
                    }
                }
            }
        }
    }

} // END function KeyPressHandlingSetup()


// handler for all KeyPresses
function KeyPressHandler(e) {
    // set up srcElement variable to gather either
    // event.srcElement (IE) or
    // e.target (NS/Moz)
    var srcEl = (e) ? e.target : window.event.srcElement;
    var srcEvent = (e) ? e : window.event;
    var srcForm = srcEl.form;
    // handle mac charCode instead of win KeyCode
    var srcKey = (srcEvent.charCode) ? srcEvent.charCode : srcEvent.keyCode;
    var passedSrcEl = false;
    var clickButton = null;

    // if the current input is not a textarea or 
    if (srcEl.type != "textarea") {
        // if the key pressed was an enter character
        // 13 = PC .. 3 = Mac
        if (srcKey == 13 || srcKey == 3) {
            // for each item in the form
            for (var i = 0; i < srcForm.elements.length; i++) {
                var currentElement = srcForm.elements[i];

                // check if the element is the current element id
                if (currentElement.id == srcEl.id && currentElement.name == srcEl.name) {
                    passedSrcEl = true;
                }

                // check it's not a text area
                if (passedSrcEl == true && currentElement.type == "submit") {
                    // pass the clickbutton back
                    clickButton = currentElement;
                    // break out of the loop
                    // i don't like doing this but it's necessary
                    break;
                }
            }
        }
    }

    // if we're to click a button
    if (clickButton != null) {
        // run the onClick event for the button
        clickButton.click();
        // return false to avoid the browser thinking you clicked more than one button.
        return false;
    }
} // END function KeyPressHandler()



// addLoadEvent
// Enables us to hook into the browser onload event.
// DEPRECATED: [addLoadEvent] has been deprecated, please use [addPMJavaScriptEvent] to add all javascript events.
function addLoadEvent(func) {
    if (window.addEventListener) {
        window.addEventListener('load', func, true);
    }
    else if (window.attachEvent) {
        window.attachEvent('onload', func);
    }
    else {
        window.onload = func;
    }
}


// addPMJavaScriptEvent
// Enables us to hook into the browser JavaScript events.
function addPMJavaScriptEvent(func, domEventName, ieEventName) {
    //DOM method for binding an event
    if (window.addEventListener) {
        window.addEventListener(domEventName, func, true);
    }
    //IE exclusive method for binding an event
    else if (window.attachEvent) {
        window.attachEvent(ieEventName, func);
    }
    //Older browsers
    else {
        window.onload = func;
    }
}

// addPMJavaScriptEvent
// Enables us to hook into the browser JavaScript events.
function removePMJavaScriptEvent(func, domEventName, ieEventName) {
    //DOM method for binding an event
    if (window.removeEventListener) {
        window.removeEventListener(domEventName, func, true);
    }
    //IE exclusive method for binding an event
    else if (window.detachEvent) {
        window.detachEvent(ieEventName, func);
    }
    //Older browsers
    else {
        window.onload = null;
    }
}


// Updates a dom element html based on the existance of a minimum version of flash 
// Requires jquery and at least swfobject 2
// Used in the flash handler method of inline content common. HandleFlash() in InlineContentCommon.ascx.cs
function handleNoFlashMessage(e) {
    if (!e.success) {
        var noScriptDivId = "#" + e.id.toString().replace("flashObject_", "noScriptMessage_")
        if (jQuery && $(noScriptDivId).length) {
            $(noScriptDivId).html($(noScriptDivId).html().replace(" and that you have javascript enabled", ""));
        }
    }
}


// add keppress handler to load event
addLoadEvent(KeyPressHandlingSetup);