function pop(url) {

	var browserpop;
	
	var hor;
	var vert;
	var posv;
	var posh;
	
	hor = screen.width;
	vert = screen.height;
	
	posv = (vert-498) / 2;	
	posh = (hor-464) / 2;
	
	browserpop = window.open(url,"neu","width=550, height=550, resizable=yes, status=no, scrollbars=yes, left="+posh+", top="+posv+"");
	
	browserpop.focus();

}

function bookmark() {
	
	if(window.external) {
				
		window.external.AddFavorite(server+phpself,'www.vittel.de');
	} else {
		
		alert("Drücken Sie STRG + D um einen Favoriten zu setzen.");
	}
}

function bikespopup(url) {

	var bikespop;
	
	var hor;
	var vert;
	var posv;
	var posh;
	
	hor = screen.width;
	vert = screen.height;
	
	posv = (vert-425) / 2;	
	posh = (hor-551) / 2;
	
	bikespop = window.open(url,"Bike","width=551, height=425, resizable=yes, status=no, scrollbars=yes, left="+posh+", top="+posv+"");
	
	bikespop.focus();

}

function CloseGame() {

	document.getElementById("bikegame").style.display = "none";
	document.getElementById("bikegamecloser").style.display = "none";
	document.getElementById("bikegamebt").style.display = "none";
}

function OpenGameForm() {

	var trinken = document.bikes.frage;
	
	if(trinken[0].checked == false &&
	   trinken[1].checked == false &&
	   trinken[2].checked == false)
	
	{
	
		// keine Eingabe
	
	} else {
		
		for(i=0;i<trinken.length;i++) {
			
			if(document.bikes.frage[i].checked != false) {
				
				var trinkenvalue = document.bikes.frage[i].value;
			}
			
		}
				
		bikespopup("https://www.geschuetzter-kontaktbereich.de/vit/bikes.php?val="+trinkenvalue);
	
	}
	

}