function standalone()
{
	return (self == top);
}
	if (!standalone()) top.location.href = self.location.href;

function BildTauscher(bild, datei)
{
    if (document.all) {
        // IE
		document.images[bild].src=datei;
    } else if (document.layers) {
        // NS4
		document.layers['HMRahmen'].document.images[bild].src=datei;
	} else if (document.getElementById) {
        // NS6
		document.images[bild].src=datei;
    }
}

function SRMenu()
{
	ShowMenu('PKRahmen'); ShowMenu('SRRahmen');
}

function ASMenu()
{
ShowMenu('PKRahmen'); ShowMenu('ASRahmen');
}

function KFZMenu()
{
ShowMenu('PKRahmen'); ShowMenu('KFZRahmen');
}

function AllesAus()
{
HideMenu('PKRahmen'); HideMenu('ASRahmen'); HideMenu('SRRahmen'); HideMenu('InfoRahmen'); 
}

function ShowMenu(Menu)
{
	var oLayer = null;
    if (document.all) {
        // IE
        oLayer = document.all[Menu].style;
    } else if (document.layers) {
        // NS4
        oLayer = document.layers[Menu];
	} else if (document.getElementById) {
        // NS6
        oLayer = document.getElementById(Menu).style;
    }
	    oLayer.visibility = "visible";
}

function HideMenu(Menu)
{
	var oLayer = null;
    if (document.all) {
        // IE
        oLayer = document.all[Menu].style;
    } else if (document.layers) {
        // NS4
        oLayer = document.layers[Menu];
	} else if (document.getElementById) {
        // NS6
        oLayer = document.getElementById(Menu).style;
    }
	    oLayer.visibility = "hidden";
}