function showtabverh(id){
    names1 = new Array ("tab_1","tab_2","tab_3","tab_4"); //массив id заголовков табов
    conts1= new Array ("tabc_1","tabc_2","tabc_3" ,"tabc_4"); //массив id табов
    for(i=0;i<names1.length;i++) {
        document.getElementById(names1[i]).className = 'nonactive1';
    }
    for(i=0;i<conts1.length;i++) {
        document.getElementById(conts1[i]).className = 'hide1';
    }
    document.getElementById('tab_' + id).className = 'active1';
    document.getElementById('tabc_' + id).className = 'show1';
}