function Show(strIdeToShow)
{
	var objAllElements = new Array("facts", "registration", "travelinfo", "accomodation", "timetable", "tournamentcourse", "result");

	if(!document.getElementById(strIdeToShow)) return;
	
	for (var i=0; i<objAllElements.length; i++)
	{
		if(objAllElements[i] != strIdeToShow.toLowerCase())
		{
			//hide all other elements
			if(!document.getElementById(objAllElements[i])) alert("not found: " +  objAllElements[i]);
			document.getElementById(objAllElements[i]).style.display = "none";
		}
		else 
		{
			if(!document.getElementById(objAllElements[i])) alert("not found: " +  objAllElements[i]);
			document.getElementById(objAllElements[i]).style.display = "block";
		}
	}
}