var which='';

// hilight images
function swop(whichButton,toButton) {
	if (navigator.appName=='Netscape' && navigator.appVersion.charAt(0)<'5') {
		if (document.navigation.document.images) {
			document.navigation.document.images[whichButton].src=toButton;
			return true;
		}
		else return false;
	}
	else
	{
		if (document.images) {
			document.images[whichButton].src=toButton;
			return true;
		}
		else return false;
	}
}

// hilight form input fields
function setFieldHi(which) {
	which.style.background='#ffffff';
}

function setFieldLo(which) {
	which.style.background='#edeef3';
}


// open new window
function oeffneFenster(seitenName,instanzName,fensterBreite,fensterHoehe) {
	breiteBildschirm = screen.availWidth;
	hoeheBildschirm = screen.availHeight - 20;
	randLinks = breiteBildschirm/2-(fensterBreite/2);
	randOben = hoeheBildschirm/2-(fensterHoehe/2);
	fensterParameter = "top="+randOben+",left="+randLinks+",width="+fensterBreite+",height="+fensterHoehe+",scrollbars=yes,toolbar=no,status=yes,resizeable=no,location=no";
	satellitenFenster = window.open(seitenName,instanzName,fensterParameter);
	satellitenFenster.focus();
}


// navigation
var last='';
var newNav = 0;

function showmenue(which) {
	newNav = 1;
	if (last =='' || last == which) {
		if(document.layers && document.layers[which]) document.layers[which].visibility="show";
		if((!document.all)&&(document.getElementById)) document.getElementById(which).style.visibility="visible";
		if((document.all)&&(document.all[which]))document.all[which].style.visibility="visible";
		last = which;
	}
	else {
		hidemenue(last);
		if(document.layers && document.layers[which]) document.layers[which].visibility="show";
		if((!document.all)&&(document.getElementById)) document.getElementById(which).style.visibility="visible";
		if((document.all)&&(document.all[which])) document.all[which].style.visibility="visible";
		last = which;
	}
     }

function hidemenue(which) {
	if(document.layers  && document.layers[which]) document.layers[which].visibility="hide"
	if((!document.all)&&(document.getElementById)) document.getElementById(which).style.visibility="hidden";
	if(document.all) document.all[which].style.visibility="hidden";
     }


function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}


;function OpenRemoteWindow(url,target,breite,hoehe) {
;    features='toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=' + breite +',height=' + hoehe +',screenX=50,screenY=50';
;     win=window.open(url,target,features)	  
;}


function OpenRemoteWindow(url,target,breite,hoehe) {
    features='toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=' + breite +',height=' + hoehe +',screenX=50,screenY=50';
     win=window.open(url,target,features)	  
;     win.blur() 
;     window.focus();
}

	var n1Active = '';
	var n2Active = '';

function changeBackgroundImage(id, url)
{
	if (id != n1Active && id != n2Active){
		em = document.getElementById(id);
		em.style.background = "url('"+url+"') no-repeat";
	}
}


function setPosX(which,mainnavi_which) {
    
    var obj_mainnavi;
    var obj_subnavi;
    var curleft = 0; 
    var parent = "center_area";	

    if(document.layers  && document.layers[which]) {
	obj_mainnavi= document.layers[mainnavi_which];
	obj_subnavi= document.layers[which];
    }
    else if(document.all){
	obj_mainnavi = document.all[mainnavi_which];
	obj_subnavi = document.all[which];

    }
    else{
	obj_mainnavi = document.getElementById(mainnavi_which);
	obj_subnavi = document.getElementById(which);

    }

    // read curentPosition
    if (obj_mainnavi.offsetParent) { 
        while (obj_mainnavi.offsetParent && obj_mainnavi.offsetParent.id !=parent ) {
            curleft += obj_mainnavi.offsetLeft - obj_mainnavi.scrollLeft; 
            obj_mainnavi = obj_mainnavi.offsetParent; 
        } 
    } else if (obj_mainnavi.x) {
        curleft += obj_mainnavi.x; 
    }

    // set Position of Subnavi
    obj_subnavi.style.left = curleft-1;	
}