currenta2 = "MR";

function toTab_right(tb) {

    if (currenta2 != tb) {

        document.getElementById('con_' + tb).style.display = 'block'
        document.getElementById('con_' + currenta2).style.display = 'none'

        document.getElementById('tab_' + tb).className = 'tab-m activetab-m';
        document.getElementById('tab_' + currenta2).className = 'tab-m';


        currenta2 = tb;

    }
}