function popup_foto(url) {

        fotowin = window.open(url,'fotowindow','toolbar=no,width=670,height=550,directories=no,status=no,scrollbars=auto,resizable=yes,menubar=no');
        lc_click(5000, '','',url);
        return false;
}

nn=(document.layers)?true:false; 
ie=(document.all)?true:false; 
function keyDown(e) { 
	var evt=(e)?e:(window.event)?window.event:null; 
	if(evt){ 
		var key=(evt.charCode)?evt.charCode: 
				((evt.keyCode)?evt.keyCode:((evt.which)?evt.which:0));
		if(key=="13") document.login.submit(); 
	} 
}