function vorbelegungAn (path,loadTab)
{
	if (typeof path == "undefined" || path == '') 
		path = '';
	if(typeof loadTab == "undefined" || loadTab == '')
		loadTab = "TMtab1";
		
    document.getElementById(loadTab+"Content").style.display = 'block';
    document.getElementById(loadTab).style.background = 'url('+path+'gfx/ci/tabmenu_aktiv.gif) no-repeat';
}

function showtab(id,path)
{

    if (typeof path == "undefined") 
    path = '';
    
    // tab 1 ausschalten
    document.getElementById("TMtab1").style.background = 'url('+path+'gfx/ci/tabmenu_item.gif) no-repeat';
    document.getElementById("TMtab1Content").style.display = 'none';

    // gewaehltes Tab aktivieren
    document.getElementById(id+"Content").style.display = 'block';
    document.getElementById(id).style.background = 'url('+path+'gfx/ci/tabmenu_aktiv.gif) no-repeat';
}

function hidetab(id,path)
{
	if (typeof path == "undefined") 
		path = '';
    // verlassenes Tab ausschalten
    document.getElementById(id+"Content").style.display = 'none';
    document.getElementById(id).style.background = 'url('+path+'gfx/ci/tabmenu_item.gif) no-repeat';

    // Vorbelegung an
    //vorbelegungAn();
}