menuitems = 8;

function domenu() {
   for(i=1; i<=menuitems; i++) {
     itemID = document.getElementById("menu" + i);
     if(i == menuactive) {  
        itemID.className = "aktuell";
     } else {
        itemID.className = "";
     }   
   }  
}


function BilderVorladen() {
    document.Vorladen = new Array();
    if(document.images) {
        for(var i = 0; i < BilderVorladen.arguments.length; i++) {
            document.Vorladen[i] = new Image();
            document.Vorladen[i].src = BilderVorladen.arguments[i];
        }
    }
}


var popup_handle;
function openpopup(url,breit,hoch, scroll){
var popupWidth = breit;
var popupHeight = hoch;
var popupTop = 10;
var popupLeft = 10;
var isFullScreen = false;
var isAutoCenter = false;
var popupTarget = "popupwin_2abc";
var popupParams = "toolbar=0, scrollbars=" + scroll + ", menubar=0, status=0, resizable=0";

if (isFullScreen) {
	popupParams += ", fullscreen=1";
} else if (isAutoCenter) {
	popupTop	= parseInt((window.screen.height - popupHeight)/2);
	popupLeft	= parseInt((window.screen.width - popupWidth)/2);
}

var ua = window.navigator.userAgent;
var isOpera = (ua.indexOf("Opera") > -1);
var operaVersion;
if (isOpera) {
	var i = ua.indexOf("Opera");
	operaVersion = parseFloat(ua.substring(i + 6, ua.indexOf(" ", i + 8)));
	if (operaVersion > 7.00) {
		var isAccessible = false;
		eval("try { isAccessible = ( (popup_handle != null) && !popup_handle.closed ); } catch(exc) { } ");
		if (!isAccessible) {
			popup_handle = null;
		}
	}
}
if ( (popup_handle == null) || popup_handle.closed ) {
	
	if (isOpera && (operaVersion < 7)) {
		if (url.indexOf("http") != 0) {
			popup_handle = window.open(url,popupTarget,popupParams + ((!isFullScreen) ? ", width=" + popupWidth +", height=" + popupHeight : ""));
			if (!isFullScreen) {
				popup_handle.moveTo(popupLeft, popupTop);
			}
			popup_handle.focus();
			return;
		}
	}
	if (!(window.navigator.appName == "Netscape" && !document.getElementById)) {
		//not ns4
		popupParams += ", width=" + popupWidth +", height=" + popupHeight + ", left=" + popupLeft + ", top=" + popupTop;
	} else {
		popupParams += ", left=" + popupLeft + ", top=" + popupTop;
	}
	//alert(popupParams);
	popup_handle = window.open("",popupTarget,popupParams);
	if (!isFullScreen) {
		popup_handle.resizeTo(popupWidth, popupHeight);
		popup_handle.moveTo(popupLeft, popupTop);
	}
	popup_handle.focus();
	with (popup_handle.document) {
		open();
		write("<ht"+"ml><he"+"ad></he"+"ad><bo"+"dy onLoad=\"window.location.href='" + url + "'\"></bo"+"dy></ht"+"ml>");
		close();
	}
} else {
	if (isOpera && (operaVersion > 7.00)) {
		eval("try { popup_handle.focus();	popup_handle.location.href = url; } catch(exc) { popup_handle = window.open(\""+ url +"\",\"" + popupTarget +"\",\""+ popupParams + ", width=" + popupWidth +", height=" + popupHeight +"\"); } ");
	} else {
		popup_handle.focus();
		popup_handle.location.href = url;
	}
}

}