var vent="";
function ventana(path, nombre, width, height) {
	var Ycor=(screen.height-height)/2; 
	var Xcor=(screen.width-width)/2; 
	vent = window.open(path, nombre, 'left='+Xcor+',top='+Ycor+',toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=' + width + ' ,height=' + height + '');
}
  
function ventana_camara(path, nombre, width, height) {
	var Ycor=(screen.height-height)/2; 
	var Xcor=(screen.width-width)/2; 
  	vent = window.open(path, nombre, 'left='+Xcor+',top='+Ycor+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=' + width + ' ,height=' + height + '');
  	vent.resizeTo(width, height);
  	vent.focus();
}