/**
 * This file includes JavaScript functions for the navigation elements.
 */
var /*HashMap*/ ms_corenav_elementsLoaded = new Object();
var /*HashMap*/ ms_corenav_elementsSelected = new Object();
var /*AJAXConnector*/ ajaxConnector = new AJAXConnector( );

function /*void*/ ms_corenav_handleRequest(status, data, param, type, statusmsg) {
	if(status == AJAXConnector.SUCCID_LOAD && type == AJAXConnector.RESPONSE_TEXT) {
		ms_corenav_printFlyout(param, data);
	}
}

function /*void*/ ms_corenav_loadFlyoutData(/*String*/ elementId, /*String*/ handle) {
	// Return, if no handle was given
	if (!handle || handle == "") {
		return;
	}
	
	// Process Ajax, if element has not been loaded yet
	if (ms_corenav_elementsLoaded[elementId] == undefined) {
		// Send Ajax request
		ajaxConnector.registerDataHandler(ms_corenav_handleRequest);
		ajaxConnector.setMaxRequestTime(10000);
		ajaxConnector.sendRequest(handle + ".ajax.component.corenavigation2.corenavigation2_Single.corenavigation2.html", "", AJAXConnector.REQUEST_GET, elementId);
	}
}

function /*void*/ ms_corenav_printFlyout(/*String*/ elementId, /*String*/ data) {
	// Print to Layer
	if (getLayer(elementId) != undefined) {
		// Replace elementId spacer
		data = data.replace(/{elementId}/g, elementId);
	
		// Paste response to layer
		getLayer(elementId).innerHTML = data;
		
		// Set counter for this elementId
		var /*int*/ counter = getLayer(elementId).getElementsByTagName("ul")[0].childNodes.length
		ms_corenav_elementsLoaded[elementId] = counter;

		// Init first list entry
		var /*List*/ links = getLayer(elementId).getElementsByTagName("li");
		if (links[0].firstChild) {
			ms_corenav_changeFlyout(links[0].firstChild, elementId, 0);
			ms_corenav_resetFlyout(links[0].firstChild, elementId, 0);
		}
	}
}

function ms_corenav_resetFlyout(/*XMLNode*/ callerObj, /*String*/ elementId, /*int*/ item) {
	// Get current marked node
	var /*XMLNode*/ current = ms_corenav_elementsSelected[elementId];
	
	// Reset the current class for IE
	if (document.all) {
		current.className = "ms-hover";
	}
}

function ms_corenav_changeFlyout(/*XMLNode*/ callerObj, /*String*/ elementId, /*int*/ item) {
	// Get current marked node
	var /*XMLNode*/ current = ms_corenav_elementsSelected[elementId];
	
	// IllegalArgumentException
	if (item < 0) {
		return;
	}

	// Check if current element has changed
	if (current == callerObj) {
		return;
	}

	// Reset previous marked element
	if (current != undefined) {
		if (current.className) {
			current.className = '';
		} else {
			current.removeAttribute("class");
		}
	}
	
	// Set current marked element
	if (callerObj.className) {
		callerObj.className = 'ms-hover';
	} else {
		callerObj.setAttribute("class", "ms-hover");
	}
	ms_corenav_elementsSelected[elementId] = callerObj;
	
	// Set all display:none
	for (var /*int*/ i = 0; i < ms_corenav_elementsLoaded[elementId]; i++) {
		getLayer(elementId + "-r" + i).style.display = "none";
		getLayer(elementId + "-b" + i).style.display = "none";
	}
	
	// Set specified number display:block
	getLayer(elementId + "-r" + item).style.display = "block";
	getLayer(elementId + "-b" + item).style.display = "block";
}

var /*Boolean*/ ms_setIFrameHeight_stopper = false;
function ms_setIFrameHeight(/*String*/flyoutId) {
	// Only IE6
	if (!window.attachEvent || window.opera || window.XMLHttpRequest) return;
	// Get IFrame and FlyOut element
	if (flyoutId == '') return;
	// Only CORE NAV Flyout Type 2
	
	var flyout = document.getElementById(flyoutId);
	var /*XMLNode*/ iframe = flyout.getElementsByTagName("IFRAME")[0];
	if (!iframe) return;
	var /*XMLNode*/ list = flyout.getElementsByTagName("UL")[0];
	if (!list) return;
			
	flyout.style.display = "";
	var /*int*/ height = list.offsetHeight;
	if (!ms_setIFrameHeight_stopper) {
		// Sometimes IE needs some time to render the hidden
		// elements, so we give it 25 additional milliseconds.
		ms_setIFrameHeight_stopper = true;
		setTimeout("ms_setIFrameHeight('" + flyoutId + "')", 25);
		return;
	} else if (ms_setIFrameHeight_stopper) {
		ms_setIFrameHeight_stopper = false;
	}
	
	// Set height on IFrame. In some cases the height of the iframe must be
	// larger than that of the list because the whole flyout is larger.
	if(iframe.parentNode.className == 'ms-navi-main-fly-v2-1'){
		iframe.style.height = (height + 18) + "px";
	}
	else if(iframe.parentNode.className == 'ms-navi-main-fly-v1-1'){
		iframe.style.height = 390 + "px";
	}
	else{
		iframe.style.height = height + "px";
	}
}