function showBox(){
	//if DIV has no child, therefor is empty, it isn't displayed (the same applies to the linkbox; see last if())
	if(document.getElementById("eventbox").firstChild == null){
		document.getElementById("eventbox").style.display="none";
	}
	//here we need to look into the firstChild's firstChild, because a <ul></ul> is always inserted by TYPOSCRIPT
	if(document.getElementById("relbox").firstChild.firstChild == null){
		document.getElementById("relbox").style.display="none";
	}
	
	if(document.getElementById("linkbox").firstChild == null){
		document.getElementById("linkbox").style.display="none";
	}
		
}//function

function isID(){
	//document.getElementById("FE[fe_users][usergroup]").value = 2;
	//alert(document.getElementById("FE[fe_users][usergroup]").value);
	
	if(document.getElementById("FE[fe_users][tx_mmb2_tx_mmb2_febsid]").value != ""){
		document.getElementById("FE[fe_users][usergroup]").value = "2,5";	
	//	alert(document.getElementById("FE[fe_users][usergroup]").value);
	}//if
	
	else{
		document.getElementById("FE[fe_users][usergroup]").value = "2";	
	//	alert(document.getElementById("FE[fe_users][usergroup]").value);
	}//else
	
}//function

function setUsername(){
	alert("start");
	document.getElementById("FE[fe_users][username]").value = "temp";
	alert("mitte");
	alert(document.getElementById("FE[fe_users][username]").value);
	alert("stop");
}//function