/*POPUP NO CENTRO*/

function abrir_popup(theURL,winName,width,height,features) { 

    var window_width = width;

    var window_height = height;

    var newfeatures= features;

    var window_top = (screen.height-window_height)/2;

    var window_left = (screen.width-window_width)/2;

    newWindow=window.open(''+ theURL + '',''+ winName + '','width=' + window_width + ',height=' + window_height + ',top=' + window_top + ',left=' + window_left + ',' + newfeatures + '','scrollbars=no, menubar=no, directories=no, location=no, copyhistory=no, status=no, toolbar=no, maximized=no, resizable=no');

    newWindow.focus();

}