function setLevel(_this,id)
//image/set visibility checkboxs quasi radioButtons
{
	var n,i;
	if( _this.checked ){
		for(i=0; i <=4; i++){
			n = "L_" + id + "_" + i;
			n = document.getElementById(n);
			if( n ){//needed when end levels not offered as option(s)
				if( i == _this.value ){
					n.checked = true;
				}else{
					n.checked = false;
				}
			}
		}
	}else{
		_this.checked = true;// ie cannot uncheck since quasi radioButton
	}
}

function matchPigSetLevel(level,id)
//image/set matches the Set/image viewing level per setLevel above
//to always be => LevelPig
{
	var n,i;
	for(i=0; i <=4; i++){
		n = "L_" + id + "_" + i;
		n = document.getElementById(n);
		if( n ){//needed when end levels not offered as option(s)
			if( i == level ){
				n.checked = true;
			}else{
				n.checked = false;
			}
		}
	}
}

function confirmUnassign(_this, AreaTitle, MediaTitle){
	var msg = "Möchtest Du '" + MediaTitle + "' von '" + AreaTitle + "' entfernen?";
	if( confirm( msg ) ){
		document.location.href = _this;
	}
}