function openPic(url,winName,winParams)	{
	var theWindow = window.open("/"+url,winName,winParams);
	if (theWindow)	{theWindow.focus();}
}



  // decrypt helper function
function decryptCharcode(n,start,end,offset) {
	n = n + offset;
	if (offset > 0 && n > end)	{
		n = start + (n - end - 1);
	} else if (offset < 0 && n < start)	{
		n = end - (start - n - 1);
	}
	return String.fromCharCode(n);
}
  // decrypt string
function decryptString(enc,offset) {
	var dec = "";
	var len = enc.length;
	for(var i=0; i < len; i++)	{
		var n = enc.charCodeAt(i);
		if (n >= 0x2B && n <= 0x39)	{
			dec += decryptCharcode(n,0x2B,0x3A,offset);	// 0-9 . , - + / :
		} else if (n >= 0x40 && n <= 0x5A)	{
			dec += decryptCharcode(n,0x40,0x5A,offset);	// A-Z @
		} else if (n >= 0x61 && n <= 0x7A)	{
			dec += decryptCharcode(n,0x61,0x7A,offset);	// a-z
		} else {
			dec += enc.charAt(i);
		}
	}
	return dec;
}
  // decrypt spam-protected emails
function linkTo_UnCryptMailto(s)	{
	location.href = decryptString(s,-4);
}


/*
function UnCryptMailto(s) {	//
	var n=0;
	var r="";
	for(var i=0; i < s.length; i++) {
		n=s.charCodeAt(i);
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(1));
	}
	return r;
}


function linkTo_UnCryptMailto(s)	{	//
	location.href=UnCryptMailto(s);
}
*/


    function change_screen_trailer(pfad, breite, hoehe, scroll, windowName){
        if (screen.width <= 800){
            if((breite + 10) >  screen.availWidth){breite = screen.availWidth - 10;};
            if((hoehe + 29) >  screen.availHeight){hoehe = screen.availHeight - 29;};
            screen_width = (screen.availWidth - breite - 10) / 2;
            screen_height = (screen.availHeight - hoehe - 29) / 2;
            screen_trailer = window.open(pfad, windowName, "width=" + breite + ", height=" + hoehe + ", top=" + screen_height + ", left=" + screen_width + ", scrollbars=" + scroll);
            screen_trailer.focus();
        }
        if (screen.width > 800){
            screen_width = (screen.availWidth - breite - 10) / 2;
            screen_height = (screen.availHeight - hoehe - 29) / 2;
            screen_trailer = window.open(pfad, windowName, "width=" + breite + ", height=" + hoehe + ", top=" + screen_height + ", left=" + screen_width + ", scrollbars=" + scroll);
            screen_trailer.focus();
        }
    }
    
    function change_screen_trainerintro(pfad, breite, hoehe, scroll, windowName){
        screen_width = (screen.availWidth - breite - 10) / 2;
        screen_height = (screen.availHeight - hoehe - 29) / 2;
        screen_trailer = window.open(pfad, windowName, "width=" + breite + ", height=" + hoehe + ", top=" + screen_height + ", left=" + screen_width + ", scrollbars=" + scroll);
        screen_trailer.focus();
    }


function printPage() {
if (window.print) {
jetztdrucken = confirm('Seite drucken ?');
if (jetztdrucken) window.print();
   }
}