var win = null;
var opener = window.opener;


// --------   bild vergroessern
function clickimg(url){

// fullscreen
	windowWidth  = screen.width;
    windowHeight = screen.height;
	fullscreen = "no"; // nur ie
    if (windowHeight > 864) {                
        windowHeight = 864;
		fullscreen = "no";
    } 
	if (windowWidth > 1152) {          
        windowWidth  = 1152;
		fullscreen = "no";
    } 
	if (windowWidth < 800 || windowHeight < 600){
        windowHeight = 600;
		windowWidth  = 800; 
		fullscreen = "yes";      
    }
	
	
	settings = 'width='+windowWidth+',height='+windowHeight+',top=0,left=0';
	settings += ',toolbar=no,location=no,status=no';
	settings += ',menubar=no,scrollbars=no,resizable=no,fullscreen='+fullscreen;
	
	win = window.open(url,"",settings);
	win.focus();	
}