/*
 * Schaltet die Quelle eines img-Tags um
 */
function switch_image(name, status)
{
	if (status == 'on')
	{
		document.images[name].src = 'http://www.thechosen-game.de/images/menu/'+name+'_over.jpg';
	}
	else
	{
		document.images[name].src = 'http://www.thechosen-game.de/images/menu/'+name+'.jpg';
	}
}
/*
 * Öffnet ein Fenster zentriert auf dem Bildschirm
 */
function OpenWindow(theURL, winName, myWidth, myHeight, scrollbars, resizeable) 
{
        if (!myWidth) 
        {
                myWidth = 312;
        }
        if (!myHeight) 
        {
                myHeight= 280;
        }    
        if (winName == '') 
        {
                winName = 'standardWindow';
        }

        if(window.screen) {
                var myLeft = (screen.width -myWidth) /2;
                var myTop  = (screen.height-myHeight)/2;
        }

        if (scrollbars == '' || scrollbars == 'no') 
        {
                scrollbars = 'no';
        } 
        else 
        {
                scrollbars = 'yes';
        }

        if (resizeable == '' || resizeable == 'no') 
        {
                resizeable = 'no';
        } else {
                resizeable = 'yes';
        }

        windowHandle = window.open(theURL, winName, 'scrollbars='+scrollbars+', resizable='+resizeable+', dependent=yes, left='+myLeft+',top='+myTop+',width='+myWidth+',height='+myHeight);
        windowHandle.focus();
}