var rbcrin = Math.floor(Math.random() * (3 - 1 + 1)) + 1;
var rbcriw = 'utro';
if (rbcrin == 1) {
    rbcriw = 'utro';
} else if (rbcrin == 2) {
    rbcriw = 'autonews';
} else if (rbcrin == 3) {
    rbcriw = 'lux';
}
document.write('<scr' + 'ipt type="text/javascript" charset="windows-1251" src="http://export.gad.org.ua/' + rbcriw + '_for_rbc_center.js"><\/scr' + 'ipt>');