// Name:				menu.js
// Autor: 			Dipl.-Ing. Armen Markarian
// Datum: 			29-11-2002
// Copyright: 	inexweb GmbH
// ********************************************************

// Start Browserabfrage
// ********************************************************
var isDOM = (document.getElementById ? true : false); 
var isIE4 = ((document.all && !isDOM) ? true : false);
var isIE6 = ((document.all && isDOM) ? true : false);
var isNS4 = false;
var isNS6 = false;

var BW = navigator.appName;
if(BW == 'Netscape') {
	if(navigator.appVersion.substring(0,1) == '5')
		isNS6 = true;
	if(navigator.appVersion.substring(0,1) == '4')
		isNS4 = true;
}
// End Browserabfrage
// ********************************************************

function getRef(id) {
	if (isDOM) return document.getElementById(id);
	if (isIE4) return document.all[id];
	if (isNS4) return document.layers[id];
}

function getSty(id) {
	return (isNS4 ? getRef(id) : getRef(id).style);
} 

var popTimer = 0;
var litNow = new Array();

// wird bei MouseOver aufgerufen
function popOver(menuNum, itemNum) {
	clearTimeout(popTimer);
	hideAllBut(menuNum);
	litNow = getTree(menuNum, itemNum);
	changeCol(litNow, true);
	targetNum = menu[menuNum][itemNum].target;
	if (targetNum > 0) {
		thisX = parseInt(menu[menuNum][0].ref.left) + parseInt(menu[menuNum][itemNum].ref.left);
		thisY = parseInt(menu[menuNum][0].ref.top) + parseInt(menu[menuNum][itemNum].ref.top);
		with (menu[targetNum][0].ref) {
			left = parseInt(thisX + menu[targetNum][0].x);
			top = parseInt(thisY + menu[targetNum][0].y);
			visibility = 'visible';
		}
	}
}

// wird bei MouseOut aufgerufen
function popOut(menuNum, itemNum) {
	if ((menuNum == 0) && !menu[menuNum][itemNum].target)
		hideAllBut(0)
	else
		popTimer = setTimeout('hideAllBut(0)', 500);
}

// Baumhierarchie
function getTree(menuNum, itemNum) {
	itemArray = new Array(menu.length);
	while(1) {
		itemArray[menuNum] = itemNum;
		if (menuNum == 0) return itemArray;
		itemNum = menu[menuNum][0].parentItem;
		menuNum = menu[menuNum][0].parentMenu;
  }
}

// Farbwechsel der Menuitems
function changeCol(changeArray, isOver) {
	for (menuCount = 0; menuCount < changeArray.length; menuCount++) {
		if (changeArray[menuCount]) {
			with (menu[menuCount][changeArray[menuCount]].ref) {
				if(!menuCount == 0) { //Farbunterschied der Zellen nicht im ersten Menu
					if(changeArray[menuCount] %2 == 1) { //Farbunterschied nur bei geraden Zellen
						newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;
						if (isNS4) 
							bgColor = newCol;
						else 
							backgroundColor = newCol;
					} else {
						newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].nextCol;
						if (isNS4) 
							bgColor = newCol;
						else 
							backgroundColor = newCol;
					}
				} else {
					newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;
					if (isNS4) 
							bgColor = newCol;
						else 
							backgroundColor = newCol;
				}
      	}
   	}
 	}
}

function hideAllBut(menuNum) {
	var keepMenus = getTree(menuNum, 1);
	for (count = 0; count < menu.length; count++)
		if (!keepMenus[count])
			menu[count][0].ref.visibility = 'hidden';
		changeCol(litNow, false);
}


// MENU CONSTRUCTOR
// ********************************************************
function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) {
	// True or false - vertical menu? bei Triaton ja!
	this.isVert = isVert;
	// PopUp Indikator (hier: pfeil)
	this.popInd = popInd
	// Positionen und Größen
	this.x = x;
	this.y = y;
	this.width = width;
	// Farben der Menus und Items
	this.overCol = overCol;
	this.backCol = backCol;
	// Farbe für die geraden Zellen
	this.nextCol = '#99FF99';
	// Textfarbe für Hauptmenu
	this.menuCol = '#01826E';
	// Textfarbe für Submenus
	this.itemCol = '#01826E';
	// stylesheet klasse für item borders
	this.borderClass = borderClass;
	this.textClass = textClass;
	// Parent menu and item numbers, indexed later.
	this.parentMenu = null;
	this.parentItem = null;
	// Reference to the object's style properties (set later).
	this.ref = null;
}

// ITEM CONSTRUCTOR
function Item(text, href, frame, length, spacing, target) {
	this.text = text;
	this.href = href;
	this.frame = frame;
	this.length = length;
	this.spacing = spacing;
	this.target = target;
	this.ref = null;
}

function writeMenus() {
	if (!isDOM && !isIE4 && !isNS4) return;

	for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) {
		var str = '', itemX = 0, itemY = 0, FirstMenu = false, NSfont = '11px', DOMfont = '11px';
		// Hauptmenu oder SUBMenus? 
		if(currMenu == "0") 
			FirstMenu = true;
		else
			FirstMenu = false;
		
		for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) {
			var itemID = 'menu' + currMenu + 'item' + currItem;
			
			var w = (isVert ? width : length);
			var h = (isVert ? length : width);

			// div oder layer ?
			if (isDOM || isIE4) {
				str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
				if(!FirstMenu) {
					if (backCol) {
						if(currItem %2 == 1) //Farbunterschied nur bei geraden Zellen
							str += 'background: ' + backCol + '; ';
						else
							str += 'background: ' + nextCol + '; ';
					}
				} else {
					str += 'background: ' + backCol + '; ';
				}
				str += '" ';
			}
			if (isNS4) {
				str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';
				if(!FirstMenu) {
					if (backCol) {
						if(currItem %2 == 1) //Farbunterschied nur bei geraden Zellen
							str += 'bgcolor="' + backCol + '" ';
						else 
							str += 'bgcolor="' + nextCol + '" ';
					}
				} else {
					str += 'bgcolor="' + backCol + '" ';
				}
			}
			if (borderClass) str += 'class="' + borderClass + + currItem + '" ';

			// mouseover / mouseout - Effekte
			str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';

			// Inhalt des items (default: tabele mit link).
			str += '<table height="' + h + '" width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr><td valign="center" align="left" height="' + (h - 7) + '">' + '<a style="color:' + (FirstMenu ? menuCol : itemCol) + '; font: ' + (isNS4 ? NSfont : DOMfont) + ' verdana; TEXT-DECORATION: none" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a></td>';
			if (target > 0) {
				menu[target][0].parentMenu = currMenu;
				menu[target][0].parentItem = currItem;
			
				// popout indikator in die Tabelle einfügen
				if (popInd) str += '<td class="' + textClass + '" align="right">' + popInd + '</td>';
			}
			str += '</tr></table>' + (isNS4 ? '</layer>' : '</div>');
			if (isVert) itemY += length + spacing;
			else itemX += length + spacing;
		}
		
		if (isDOM) {
			var newDiv = document.createElement('div');
			document.getElementsByTagName('body').item(0).appendChild(newDiv);
			newDiv.innerHTML = str;
			ref = newDiv.style;
			ref.position = 'absolute';
			// do not change this values!
			ref.left = 0;
			ref.top = 0;
			ref.visibility = 'hidden';
		}

		if (isIE4) {
			document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
			ref = getSty('menu' + currMenu + 'div');
		}
		
		// In NS4, create a reference to a new layer and write the items to it.
		if (isNS4) {
			ref = new Layer(0);
			ref.document.write(str);
			ref.document.close();
		}

		for (currItem = 1; currItem < menu[currMenu].length; currItem++) {
			itemName = 'menu' + currMenu + 'item' + currItem;
			if (isDOM || isIE4) menu[currMenu][currItem].ref = getSty(itemName);
			if (isNS4) menu[currMenu][currItem].ref = ref.document[itemName];
	  }
	}
	with(menu[0][0]) {
		ref.left = x;
		ref.top = y;
		ref.visibility = 'visible';
	}
}

// Syntaxes: *** START EDITING HERE, READ THIS SECTION CAREFULLY! ***
//
// menu[menuNumber][0] = new Menu(Vertical menu? (true/false), 'popout indicator', left, top, width, 'mouseover colour', 'background colour', 'border stylesheet', 'text stylesheet');
//
// Left and Top are measured on-the-fly relative to the top-left corner of its trigger, or for the root menu, the top-left corner of the page.
//
// menu[menuNumber][itemNumber] = new Item('Text', 'URL', 'target frame', length of menu item, additional spacing to next menu item, number of target menu to popout);
//
// If no target menu (popout) is desired, set it to 0. Likewise, if your site does not use frames, pass an empty string as a frame target.
//

var menu = new Array();

// Default Farben
var defOver = '#FDB36E', defBack = '#D0D7E5';

// Default 'length' der menu items - item height wenn menu ist vertical, width wenn horizontal.
var defLength = 22;

// Darstellungsparameters
// Default IE
var MWidth = 174, SUBITEMHeight = 20, MLeft = 2, M2Left = 173, M3Left = 173, M3Top = -1, MSpacer = 0, M2Spacer = 0, M3Spacer = 0;
// Parameter werden je nach Browser angepasst!
if(isNS6) { MWidth = 171; M3Left = 171; M3Top = -1; M2Left = 172;}
if(isNS4) { MWidth = 170; MLeft = 3; M2Left = 170; M3Left = 174; MSpacer = 1, M2Spacer = 0, M3Spacer = 0; M3Top = -1; SUBITEMHeight = 21; }

menu[0] = new Array();
menu[0][0] = new Menu(true, '<img src=img/nav_pfeil_gruen.gif border=0 align=right alt=nav_pfeil_gruen vspace=3>', MLeft, 108, MWidth, '#99FF99', '#CCFFCC', 'itemBorder', '');
menu[0][1] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=30 alt=nav_platzhalter_2ebene>Home', 'index.html', '_self', 20, MSpacer, 0);
menu[0][2] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=30 alt=nav_platzhalter_2ebene>Unser Spektrum', 'spektrum.html', '_self', 20, MSpacer, 0);
menu[0][3] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=30 alt=nav_platzhalter_2ebene>Poststellenplanung', 'planung.html', '_self', 20, MSpacer, 0);
menu[0][4] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=30 alt=nav_platzhalter_2ebene>Postverteilerwagen', 'postverteilerwagen.html', '_self', 20, MSpacer, 0);
menu[0][5] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=30 alt=nav_platzhalter_2ebene>Systembeispiele', 'showroom1.html', '_self', 20, MSpacer, 1);
//menu[0][6] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=30 alt=nav_platzhalter_2ebene>Aktuell', 'aktuell.html', '_self', 20, MSpacer, 0);
//menu[0][7] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=30 alt=nav_platzhalter_2ebene>Ihre Anfrage', 'anfrage.php', '_self', 20, MSpacer, 0);
menu[0][6] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=30 alt=nav_platzhalter_2ebene>Ihre Anfrage', 'anfrage.php', '_self', 20, MSpacer, 0);

menu[1] = new Array();
menu[1][0] = new Menu(true, '<img src=img/nav_pfeil_blau.gif border=0 align=right alt=nav_pfeil_blau vspace=3>', M2Left, 0, 174, '#FFFFFF', '#99FF99', 'itemBorder', '');
menu[1][1] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=20 alt=nav_platzhalter_2ebene>Poststellen', 'showroom1.html', '_self', SUBITEMHeight, M2Spacer, 0);
//menu[1][2] = new Item('<img src=img/nav_platzhalter_2ebene.gif border=0 width=20 alt=nav_platzhalter_2ebene>Stadt Münster', 'stadt_muenster.html', '_self', SUBITEMHeight, M2Spacer, 0);


var popOldWidth = window.innerWidth;
nsResizeHandler = new Function('if (popOldWidth != window.innerWidth) location.reload()');

if (isNS4) document.captureEvents(Event.CLICK);
document.onclick = clickHandle;

function clickHandle(evt)
{
 if (isNS4) document.routeEvent(evt);
 hideAllBut(0);
}

function moveRoot()
{
 with(menu[0][0].ref) left = ((parseInt(left) < 100) ? 100 : 5);
}

//  End -->