var ns = navigator.appName == 'Netscape';
 var ie = !ns;
 var version = parseInt(navigator.appVersion);
 var ie3= ie && version < 4;

 var NS4 = (document.layers) ? 1 : 0;
 var IE4 = (document.all) ? 1 : 0;

var isIE4;
var isNav4;
var isNav6;

var current_popup     = "";
var current_root      = "";
var current_secondary = "";

var wm_Cchapter = "";
var wm_Cbook    = "";
var wm_Cpage    = "";

wm_ImgObj01 = new Array('unter','images/m_unternehmen.gif','images/m_unternehmen_h.gif');
wm_ImgObj02 = new Array('bereich','images/m_geschaeft.gif','images/m_geschaeft_h.gif');
wm_ImgObj03 = new Array('kontakt','images/m_kontakt.gif','images/m_kontakt_h.gif');

wm_ImgObj11 = new Array('hoch','images/m_1hoch.gif','images/m_1hoch_h.gif');
wm_ImgObj12 = new Array('brueck','images/m_2brueck.gif','images/m_2brueck_h.gif');
wm_ImgObj13 = new Array('holz','images/m_3holz.gif','images/m_3holz_h.gif');
wm_ImgObj14 = new Array('schluessel','images/m_4schluessel.gif','images/m_4schluessel_h.gif');
wm_ImgObj15 = new Array('stahl','images/m_5stahl.gif','images/m_5stahl_h.gif');

wm_ImgObj21 = new Array('smhoch','images/sm_hochbau.gif','images/sm_hochbau_h.gif');
wm_ImgObj22 = new Array('smbrueck','images/sm_brueck.gif','images/sm_brueck_h.gif');
wm_ImgObj23 = new Array('smholz','images/sm_holz.gif','images/sm_holz_h.gif');
wm_ImgObj24 = new Array('smschluessel','images/sm_komplett.gif','images/sm_komplett_h.gif');
wm_ImgObj25 = new Array('smstahl','images/sm_stahl.gif','images/sm_stahl_h.gif');

wm_ImgObj31 = new Array('overview','images/m_overview_n.gif','images/m_overview_h.gif');
wm_ImgObj32 = new Array('team','images/m_team.gif','images/m_team_h.gif');

wm_ImgObj41 = new Array('form','images/m_form_n.gif','images/m_form_h.gif');
wm_ImgObj42 = new Array('anfahrt','images/m_anfahrt.gif','images/m_anfahrt_h.gif');

ae_agent = window.navigator.userAgent; 
ae_version = parseInt(ae_agent.charAt(ae_agent.indexOf("/")+1),10);

function preload_general() {
      wm_preload(wm_ImgObj01[2]);
	  wm_preload(wm_ImgObj02[2]);
	  wm_preload(wm_ImgObj03[2]);
	  wm_preload(wm_ImgObj11[2]);	
      wm_preload(wm_ImgObj12[2]);
	  wm_preload(wm_ImgObj13[2]);
	  wm_preload(wm_ImgObj14[2]);
	  wm_preload(wm_ImgObj15[2]);	
	  
	  wm_preload(wm_ImgObj21[2]);	
      wm_preload(wm_ImgObj22[2]);
	  wm_preload(wm_ImgObj23[2]);
	  wm_preload(wm_ImgObj24[2]);
	  wm_preload(wm_ImgObj25[2]);	
	  
	  wm_preload(wm_ImgObj31[2]);
	  wm_preload(wm_ImgObj41[2]);      
}

function wm_preload() {
  if (document.images) {
    var imgFiles = wm_preload.arguments;
    if (document.preloadArray==null) document.preloadArray = new Array();
    var i = document.preloadArray.length;
    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){
      preloadArray[i] = new Image;
      preloadArray[i++].src = imgFiles[j];
  } }
}

function setbrowser() {
	if (navigator.appVersion.charAt(0) == "4") {
		if (navigator.appName.indexOf("Explorer") >= 0) { isIE4 = true;
		} else { isNav4 = true;}
	} else if (navigator.appVersion.charAt(0) > "4") { isNav6 = true;}
}

setbrowser();

function wm_openWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

var CSAg = window.navigator.userAgent; 
var CSBVers = parseInt(CSAg.charAt(CSAg.indexOf("/")+1),10);

function CSIEStyl(s) { return document.all.tags("div")[s].style; }
function CSNSStyl(s) { return wm_findItem(s,0); }

function wm_set(target,image) {
	var img = null;
	if (document.images) {    
		if (!IsIE()) img = wm_findItem(target,0);
		else img = document.images[target];
		     
		if (img) {
			img.src = image;
		}
	}  
}
 
function wm_enterMenu(n,root) {
	wm_switch(root,'on');
	current_root = root;	
	var layer_id = n;
	wm_swLayer(n);
	current_popup=n;
}
                 
function wm_leaveMenu() {
	wm_switch(current_root,'off');
	if(current_popup != ""){
		var layer_id = current_popup;
	 	wm_hdLayer(layer_id);
     }
}

function wm_swLayer(layerName){
	if (isNav4) { n_layer = document.layers[layerName];
	} else if (isIE4) { n_layer = document.all(layerName).style;
	} else if (isNav6) { n_layer = document.getElementById(layerName).style;}
	if(n_layer != null) n_layer.visibility="visible";
}

function wm_hdLayer(layerName){
	n_layer = null;
	if (isNav4) { n_layer = document.layers[layerName];
	} else if (isIE4) { n_layer = document.all(layerName).style;
	} else if (isNav6) { n_layer = document.getElementById(layerName).style;}
	
	if(n_layer != null) n_layer.visibility="hidden";
}

function IsIE() { return window.navigator.userAgent.indexOf("MSIE") > 0;}

function wm_findItem(n,ly) { 
	if (ae_version < 4) return document[n];
	var curDoc = ly ? ly.document : document; var elem = curDoc[n];
	if (!elem) { 
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = wm_findItem(n,curDoc.layers[i]); 
			if (elem) return elem; 
		}
	} return elem;}

function wm_switch(imgObj, imageAction) {
	var img = null;
	if (document.images) { 
	   if((!(wm_Cchapter == imgObj)) && (!(wm_Cbook == imgObj )) && (!(wm_Cpage == imgObj ))) {    
             if (!IsIE()) img = wm_findItem(imgObj[0],0);
		     else img = document.images[imgObj[0]];
		     
		     if (img) {
		           if(imageAction == 'on') {
		                 img.src = imgObj[2];
		           } else {
		                 img.src = imgObj[1];
		           }
		      }  
		}                          
	}	                    
}

function wm_setchapter(newChapter) {
   oldChapter = wm_Cchapter;
   wm_switch(newChapter, 'on');
   wm_Cchapter = newChapter;
   wm_switch(oldChapter, 'off');    
}  

function wm_setbook(newBook) {
   oldBook = wm_Cbook;
   wm_switch(newBook, 'on');
   wm_Cbook = newBook;
   wm_switch(oldBook, 'off');    
} 

function wm_setpage(newPage) {
   oldPage = wm_Cpage;
   wm_switch(newPage, 'on');
   wm_Cpage = newPage;
   wm_switch(oldPage, 'off');    
} 
function OpenWindow(theURL) {
	myWidth = 325;
	myHeight= 442;
	winName = "RodinPopup";

	isCenter = true;
	
	if(window.screen) {
		if(isCenter) {
			var myLeft = (screen.width-myWidth)/2;
			var myTop = (screen.height-myHeight)/2;
		}
	}
	window.open(theURL, winName, 'scrollbars=no, left='+myLeft+',top='+myTop+',width='+myWidth+',height='+myHeight);
	return false;
}
function OpenGalerie(theURL) {
	myWidth = 644;
	myHeight= 546;
	winName = "RodinPopup";

	isCenter = true;
	
	if(window.screen) {
		if(isCenter) {
			var myLeft = (screen.width-myWidth)/2;
			var myTop = (screen.height-myHeight)/2;
		}
	}
	window.open(theURL, winName, 'scrollbars=no, left='+myLeft+',top='+myTop+',width='+myWidth+',height='+myHeight);
	return false;
}