function iw(a){
	var wn=window.open('img.html?'+escape(a),'win','resizable,width=400,height=200,screenX=0,screenY=0,top=0,left=0');
	wn.focus();
	return false;
}

function checkForm(f,fields2check,lang){
	fields2check = fields2check.split('|');
	var error_fields = new Array();
	for(var i = 0; i<fields2check.length; i++){
		var tmp = fields2check[i].split (':');
		if(eval('f.'+tmp[0]+'.value == ""')){
			error_fields[error_fields.length] = tmp[1];
		}
	}
	if(error_fields.length>0){
		var a = "Sie mussen folgende Felder ausfullen:\n\n" + error_fields.join("\n");
		if(lang=='en') a = "Required fields:\n\n" + error_fields.join("\n");
		alert(a);
		return false;
	} else return true;
}

var menu_selected;
var menu_s;

function highlightMenu(e){
	if(!e) e = window.event;
	if(e.type=='mouseover') this.src = 'images/'+this.id+'_s.gif';
	else this.src = 'images/'+this.id+'.gif';
}
function setMenuEvents(id_menu,id_selected){
	menu_s = document.getElementById(id_selected);
	menu_s = document.getElementById(id_selected);
	if(menu_s) menu_s.src = 'images/'+menu_s.id+'_s.gif';

	var menuCont = document.getElementById(id_menu);
	menuCont = document.getElementById(id_menu);
	var menu = menuCont.getElementsByTagName('img');
	for(var i=0; i<menu.length; i++){
		if(menu[i].id=='logo' || menu[i].id==id_selected) continue;
		menu[i].onmouseover = highlightMenu;
		menu[i].onmouseout = highlightMenu;
	}
}

function setEvents(){
try{
	setMenuEvents('menu','menu_'+menu_selected);
	setMenuEvents('menubottom','menubottom_'+menu_selected);
}catch(err){ alert(err.message); }
}

if (typeof document.attachEvent!='undefined') window.attachEvent('onload',setEvents);
else window.addEventListener('load',setEvents,false);