function np_show(uebergabe) {	
	np_hideall();
	var land = uebergabe.id.replace(/link_/gi,"");	
	document.getElementById("content_" + land).style.display = "block";
	
}
function np_hide(element) {
	element.style.display = "none";
}
function np_hideall(){
/*	var alledivs = document.getElementsByName("weltkarte_content");	
	alert(alledivs.length); 
	for(var i = 0; i < alledivs.length; i++){
		np_hide(alledivs[i]);
	}
*/	
	var alledivs = document.getElementById("weltkarte_wrapper").getElementsByTagName("div");
	for(var i = 0; i < alledivs.length; i++){
		if(alledivs[i].className == "weltkarte_content") {
			np_hide(alledivs[i]);
		}
	}
}