win = null;
function popupImage(url, w, h) {
	if(win!=null){
		win.close();	
	}
	win = window.open('showimg.php?url='+url, 'Foto', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width='+w+',height='+h);
	win.focus();
}

function popup(url, w, h) {
	if(win!=null){
		win.close();	
	}
	win = window.open(url, 'Window', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width='+w+',height='+h);
	win.focus();
}

function popup2(url, w, h) {
	if(win!=null){
		win.close();	
	}
	win = window.open(url, 'Window', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width='+w+',height='+h);
	win.focus();
}