/**
* javascript customfuncs for rmn
*
* @author		Frank Schnappenberger, Elmar Obermeier
* @copyright	triple-i new media system design gmbh 2003
*/
var px_add				= ''
var nav					= new Array()
var subnav				= new Array()
var button_height		= 25
var nav_top				= 120
var nav_img				= new Array()
var hide_nav			= false
var hide_timer			= 500
var server				= 'http://www.rhein-main.net'
var web_path			= '/rheinmainnet_v2/'
var inner_height		= 0
var home_top			= 0;
	//preload images for nav highlighting
	nav_img[0]	= server+web_path+'pics/rmn/navbar/personal_cold.gif'
	nav_img[1]	= server+web_path+'pics/rmn/navbar/personal_hot.gif'
	nav_img[2]	= server+web_path+'pics/rmn/navbar/news_cold.gif'
	nav_img[3]	= server+web_path+'pics/rmn/navbar/news_hot.gif'
	nav_img[4]	= server+web_path+'pics/rmn/navbar/events_cold.gif'
	nav_img[5]	= server+web_path+'pics/rmn/navbar/events_hot.gif'
	nav_img[6]	= server+web_path+'pics/rmn/navbar/eatdrink_cold.gif'
	nav_img[7]	= server+web_path+'pics/rmn/navbar/eatdrink_hot.gif'
	nav_img[8]	= server+web_path+'pics/rmn/navbar/sport_cold.gif'
	nav_img[9]	= server+web_path+'pics/rmn/navbar/sport_hot.gif'
	nav_img[10]	= server+web_path+'pics/rmn/navbar/shopping_cold.gif'
	nav_img[11]	= server+web_path+'pics/rmn/navbar/shopping_hot.gif'
	nav_img[12]	= server+web_path+'pics/rmn/navbar/advertisement_cold.gif'
	nav_img[13]	= server+web_path+'pics/rmn/navbar/advertisement_hot.gif'
	nav_img[14]	= server+web_path+'pics/rmn/navbar/lifestyle_cold.gif'
	nav_img[15]	= server+web_path+'pics/rmn/navbar/lifestyle_hot.gif'
	nav_img[16]	= server+web_path+'pics/rmn/navbar/cityinfo_cold.gif'
	nav_img[17]	= server+web_path+'pics/rmn/navbar/cityinfo_hot.gif'
	nav_img[18]	= server+web_path+'pics/rmn/navbar/ratgeber_cold.gif'
	nav_img[19]	= server+web_path+'pics/rmn/navbar/ratgeber_hot.gif'
	nav_img[20]	= server+web_path+'pics/rmn/navbar/service_cold.gif'
	nav_img[21]	= server+web_path+'pics/rmn/navbar/service_hot.gif'

	_preloadImages(nav_img)

/**
* called on each onLoad
*/
function Init()
{
	//window.name = 'rmn'

	tmp = _determineWindowSize(window)
	inner_height = tmp[3]

	if(document.getElementById && home_top==0){
		home_top = _getLayerAbsY('home');
		nav_top = home_top+16;
	}
	/*
	// init navigation
	if(document.all){
		nav[0]	= document.all.personal.style
		nav[1]	= document.all.news.style
		nav[2]	= document.all.events.style
		nav[3]	= document.all.eatdrink.style
		nav[4]	= document.all.sport.style
		nav[5]	= document.all.shopping.style
		nav[6]	= document.all.advertisement.style
		nav[7]	= document.all.lifestyle.style
		nav[8]	= document.all.cityinfo.style
		nav[9]	= document.all.ratgeber.style
		nav[10]	= document.all.service.style

		subnav[0]	= document.all.preferences.style

		px_add	= 'px'
	}else if(document.layers){
		nav[0]	= document.personal
		nav[1]	= document.news
		nav[2]	= document.events
		nav[3]	= document.eatdrink
		nav[4]	= document.sport
		nav[5]	= document.shopping
		nav[6]	= document.advertisement
		nav[7]	= document.lifestyle
		nav[8]	= document.cityinfo
		nav[9]	= document.ratgeber
		nav[10]	= document.service

		//subnav[0]	= document.preferences

	}else if(document.getElementById){
		nav[0]	= document.getElementById("personal").style
		nav[1]	= document.getElementById("news").style
		nav[2]	= document.getElementById("events").style
		nav[3]	= document.getElementById("eatdrink").style
		nav[4]	= document.getElementById("sport").style
		nav[5]	= document.getElementById("shopping").style
		nav[6]	= document.getElementById("advertisement").style
		nav[7]	= document.getElementById("lifestyle").style
		nav[8]	= document.getElementById("cityinfo").style
		nav[9]	= document.getElementById("ratgeber").style
		nav[10]	= document.getElementById("service").style

		//subnav[0]	= document.getElementById("preferences").style

		if(String(nav[0].top).indexOf('px')==-1){
			px_add = ''
		}else{
			px_add  = 'px'
		}
	}
	*/
	//alert(AjaxInclude);
}
function ShiftUp()
{
	if(document.getElementById){
		home_top = _getLayerAbsY('home')+16;
	}else{
		home_top = nav_top
	}

	nav_top	= home_top - button_height;
}
/**
* shows the navigation
*/
function ShowNav(navbar,topic,numItems)
{
	return; // deaktiviert
	if(nav[navbar]){
		if(nav_img[navbar*2+1] != 'undefined') _exchangeImage(topic+'img',nav_img[navbar*2+1])

		if(document.getElementById && home_top==0){
			home_top = _getLayerAbsY('home');
			nav_top = home_top+16;
		}

		HideNav(true)

		mytop = (navbar*button_height+nav_top)

		// shift nav
		if((mytop+numItems*button_height)>inner_height){
			diff 				= (mytop+(numItems+1)*button_height)-inner_height
			nav[navbar].top 	= mytop-(Math.ceil(diff/button_height)*button_height)+px_add
		}else{
			nav[navbar].top 	= mytop+px_add
		}

		nav[navbar].visibility 		= 'visible'

		ToggleFormElements(true)

		hide_nav = false
	}
}
/**
* shows the subnavigation
*/
function ShowSubNav(navbar,parent)
{
	return; // deaktiviert
	if(subnav[navbar]){
		subnav[navbar].top 			= (parent*button_height+nav_top)+px_add
		subnav[navbar].visibility 	= 'visible'

		hide_nav = false
	}
}
/**
* hide navigation
*/
function HideNav(hideNow)
{
	return; // deaktiviert
	if((hide_nav)||(hideNow)){
		ToggleFormElements(false)

		for(i=0;i<nav.length;i++){
			nav[i].visibility = 'hidden'
		}

		for(i=0;i<subnav.length;i++){
			subnav[i].visibility = 'hidden'
		}
	}
}
/**
* hide subnavigation
*/
function HideSubNav()
{
	return; // deaktiviert
	for(i=0;i<subnav.length;i++){
		subnav[i].visibility = 'hidden'
	}
}
/**
* toggles all dangerous form elements
*
* @param	boolean		true=make invisible
*/
function ToggleFormElements(hideme)
{
	if(hideme){
		if(document.all){
			cnt = 1
			while (document.all['fadeout'+cnt]){
				document.all['fadeout'+cnt].style.visibility = 'hidden'
				cnt++
			}

			cnt = 1
			while (document.all['fadeout_ad'+cnt]){
				document.all['fadeout_ad'+cnt].style.visibility = 'hidden'
				cnt++
			}
		}else if(document.getElementById){
			cnt = 1
			while (document.getElementById('fadeout'+cnt)){
				document.getElementById('fadeout'+cnt).style.visibility = 'hidden'
				cnt++
			}

			cnt = 1
			while (document.getElementById('fadeout_ad'+cnt)){
				document.getElementById('fadeout_ad'+cnt).style.visibility = 'hidden'
				cnt++
			}
		}
	}else{
		if(document.all){
			cnt = 1
			while (document.all['fadeout'+cnt]){
				document.all['fadeout'+cnt].style.visibility = 'visible'
				cnt++
			}

			cnt = 1
			while (document.all['fadeout_ad'+cnt]){
				document.all['fadeout_ad'+cnt].style.visibility = 'visible'
				cnt++
			}
		}else if(document.getElementById){
			cnt = 1
			while (document.getElementById('fadeout'+cnt)){
				document.getElementById('fadeout'+cnt).style.visibility = 'visible'
				cnt++
			}

			cnt = 1
			while (document.getElementById('fadeout_ad'+cnt)){
				document.getElementById('fadeout_ad'+cnt).style.visibility = 'visible'
				cnt++
			}
		}
	}
}
/**
* show hidden ad elements
*
* @param	boolean		true=make visible
*/
function ShowAdElements(showme)
{
	if(showme){
		if(document.all){
			document.all['fadein_ad'].style.visibility = 'visible';
			document.all['fadein_ad'].style.height = 'auto';
			document.all['fadein_ad'].style.display = 'block';

		}else if(document.getElementById){
			document.getElementById('fadein_ad').style.visibility = 'visible';
			document.getElementById('fadein_ad').style.height = 'auto';
			document.getElementById('fadein_ad').style.display = 'block';
		}
	}else{
		if(document.all){
			document.all['fadein_ad'].style.visibility = 'hidden';
			document.all['fadein_ad'].style.height = '5px';
			document.all['fadein_ad'].style.display = 'none';
		}else if(document.getElementById){
			document.getElementById('fadein_ad').style.visibility = 'hidden';
			document.getElementById('fadein_ad').style.height = '5px';
			document.getElementById('fadein_ad').style.display = 'none';
		}
	}
}
/**
* starts the hide timer
*/
function StartHideNav()
{
	hide_nav = true

	window.setTimeout("HideNav(false)",hide_timer)
}
/**
* opens a popup window without any bars
*
* @param	string		url to load
* @param	string		a defined window type
* @param	integer		width in px
* @param	integer		height in px
*/
function OpenPopup(url,winType,width,height)
{
	switch(winType){
		case 'help':
			help_win = _createWindow(url,winType,350,450)
			break
		case 'ticker':
			ticker_win = _createWindow(url,winType,350,450)
			break
		case 'sendcomment':
			comment_win = _createWindow(url,winType,350,450)
			break
		case 'sendarticle':
			article_win = _createWindow(url,winType,390,450)
			break
		case 'password':
			pw_win = _createWindow(url,winType,390,450)
			break
		case 'printview':
			print_win = _createWindow(url,winType,450,500,'toolbar,scrollbar')
			break
		case 'image':
			img_win = _createWindow(url,winType,400,550)
			break
		case 'finance':
			biallo_win = _createWindow(url,winType,600,550,'scrollbar')
			break
		case 'trailer':
			video_win = _createWindow(url,winType,400,400)
			break
		case '2for1':
			card_win = _createWindow(url,winType,490,500,'scroll')
			break
		default:
			new_win = _createWindow(url,'std',width,height)
			break
	}
}
/**
* sets a bookmark to this page if possible
*
* @param	string		title for favorite
*/
function BookmarkPage(title)
{
	if(window.external){
		window.external.AddFavorite(document.URL,title)
	}else{
		alert("Diese Funktion wird von Ihrem Browser nicht unterstuetzt.\nBitte druecken Sie STRG+D, um die Seite zu Ihren Lesezeichen hinzuzufuegen.")
	}
}
function ToggleEngine(engine,id)
{
	var form = null;
	if(typeof(id)=="undefined") {
		form = document.extendedsearch;
	} else {
		form = document.getElementById(id);
	}
	switch(engine){
		case 'altavista':
			form.target 				= '_blank'
			form.action 				= 'http://de.altavista.com/web/results'
			form.elements[1].name 	= 'q'
			break
		case 'google_org':
			form.target 				= '_blank'
			form.action 				= 'http://www.google.de/search'
			form.elements[1].name 	= 'q'
			break
		case 'google':
			form.target 				= '_self'
			form.action 				= '/google/search_fwd.php'
			form.elements[1].name 	= 'q'
			break
		case 'yahoo':
			form.target 				= '_blank'
			form.action 				= 'http://de.search.yahoo.com/search/de'
			form.elements[1].name 	= 'p'
			break
		case 'fnp':
			form.target 				= '_blank'
			form.action 				= '/fnp/leserservice/archiv/archiv.php'
			form.elements[0].name 	= '_template';
			form.elements[1].name 	= 'fvt';
			break
		case 'lexikon':
			form.target 				= '_self'
			form.action 				= '/rheinmainnet_v2/lexi_suche.php'
			form.elements[1].name 	= '_suche'
			break
		default:
			form.target 				= '_self'
			form.action 				= '/sixcms/detail.php'
			form.elements[1].name 	= '_vt'
			break
	}
}
/**
 * Popup Extended Search
 */
var SearchFocusElements = new Array();
function SearchGotFocus(Name) {
	document.getElementById('ExtSearch').style.display='block';
	SearchFocusElements.push(Element.name);
}

function SearchLostFocus(Name) {
	for(var index=0; index < SearchFocusElements.length; index++) {
		if(SearchFocusElements[index] == Element.name) {
			SearchFocusElements.splice(index,1);
		}
	}
	if(SearchFocusElements.length == 0) {
		document.getElementById('ExtSearch').style.display='none';
	}
}
//--------------------------popcalendar_funcs--------------------------------------------------
/**
* @author	Elmar Obermeier
*
* needs two popcalendar (id=popcalfrom/id=popcaltill)
* to set date on two textfields (name=from/name=till)
* use style of (rmn/css/)calendar.css
*/
/**
* set popclaendar visible/hidden on absolute coordinates
*
* @param	string	name of layer
* @param	string	top position relativ
* @param	string	left postion relativ
*/
function ShowCal(name,pos_x,pos_y)
{
	//get position of layer element
	if(pos_x == undefined) pos_x = _getLayerX(name)
	if(pos_y == undefined) pos_y = _getLayerY(name)
	if(pos_x == 'auto') pos_x = Element.cumulativeOffset($(name.substr(6))).left // strip popcal
	if(pos_y == 'auto') pos_y = Element.cumulativeOffset($(name.substr(6))).top+25 // strip popcal

	//set position of layer element
	_setLayerX(name,pos_x)
	_setLayerY(name,pos_y)
	
	//close other calendar if open
	if(name == 'popcalfrom'){
		if(_isLayerVisible('popcaltill')) _hideLayer('popcaltill')
	}else if(name == 'popcaltill'){
		if(_isLayerVisible('popcalfrom')) _hideLayer('popcalfrom')
	}
	//toggle layer
	if(!_isLayerVisible(name)){
		ToggleFormElements(true)
		_showLayer(name)
	}else if(_isLayerVisible(name)){
		ToggleFormElements(false)
		_hideLayer(name)
	}
}
/**
* set value to formfields from/till
*
* @param	string	startdate
* @param	string	from or till field
*/
function CalcDate(_field,_date)
{
	var now = new Date();
	var tomorrow = new Date(now.getTime()+1000*60*60*24);
	if(_date == 'today'){
		var val = _SetTwoDigit(now);
	}else if(_date == 'tomorrow'){
		var val = _SetTwoDigit(tomorrow);
	}else{
		var val = _date;
	}

	if(_field=='from'){
		document.navigator.from.value = val;
	}else if(_field=='till'){
		document.navigator.till.value = val;
	}else{
		$(_field).value = val;
	}
}
/**
* calculates next weekend (fr2so) on base of lokal timestamp
*/
function CalcWeekend()
{
	var now				= new Date();
	var stamp 			= now.getTime();
	var day_no			= now.getDay();
	var offset			= 5-day_no;
	var days			= 1000*60*60*24;

	var weekend_start	= new Date(stamp+(offset*days));
	var weekend_end		= new Date(stamp+((offset+2)*days));

	document.navigator.from.value = _SetTwoDigit(weekend_start);
	document.navigator.till.value = _SetTwoDigit(weekend_end);
}
/**
*	puts timestamp in correct form
*
* @param	object	date object
* @return	string	converted datestring
*/
function _SetTwoDigit(_Date)
{
	var day				= _Date.getDate();
	var month			= _Date.getMonth() + 1;
	var year			= _Date.getFullYear();
	if(day < 10) day = '0' + day;
	if(month < 10) month = '0' + month;
	return day + '.' + month + '.' + year;
}
/**
* toggle date layer
*/
function ToggleDateExtend()
{
	if(document.getElementById){
		var toggle_div = document.getElementById('dateextend');
		var toggle_button = document.getElementById('dateextend-button');

		if(toggle_div.className=='closed'){
			toggle_div.className = 'opened';
			toggle_button.innerHTML = '&raquo; Weniger Termine anzeigen';
		}else{
			toggle_div.className = 'closed';
			toggle_button.innerHTML = '&raquo; Weitere Termine anzeigen';
		}
	}

	return false;
}
/**
 * Die funktion laedt ein Template, und schreibt den Inhalt in den
 * DIV-Layer, dessen ID im dritten Parameter uebergeben wird.
 * beispiel:
 * AjaxInclude('http://www.rhein-main.net/sixcms/detail.php','template=v2_rmn_nav_ajax','leftbox_nav');
 */
function AjaxInclude(url,par,div) {
	var myAjax = new Ajax.Updater(
		{success: div},
		url,
		{
			method: 'get',
			parameters: par
		});
}
/**
 * switch display property of weather box
 */
function switcher () {
	var toggle_div = document.getElementById('weather');
	if (toggle_div.className == "listbox hide") {
		toggle_div.className = "listbox show";
	}
	else {
		toggle_div.className = "listbox hide";
	}
}