function change_curse1 () {
    var rim=document.getElementById('bb1_0').innerHTML;
    mir=kurs(rim);
    document.getElementById('kbb1_0').innerHTML=mir
    
    var rim=RoundX(document.main.bb1_1.value);
    mir=kurs(rim);
    document.getElementById('kbb1_1').innerHTML=mir
    
    var rim=RoundX(document.main.bb1_2.value);
    mir=kurs(rim);    
    document.getElementById('kbb1_2').innerHTML=mir    

    var rim=RoundX(document.main.bb1_3.value);
    mir=kurs(rim);    
    document.getElementById('kbb1_3').innerHTML=mir

//////////

    var rim=document.getElementById('bl1_0').innerHTML;
    mir=kurs(rim);    
    document.getElementById('kbl1_0').innerHTML=mir
    
    var rim=RoundX(document.main.bl1_1.value);
    mir=kurs(rim);    
    document.getElementById('kbl1_1').innerHTML=mir
    
    var rim=RoundX(document.main.bl1_2.value);
    mir=kurs(rim);    
    document.getElementById('kbl1_2').innerHTML=mir    

    var rim=RoundX(document.main.bl1_3.value);
    mir=kurs(rim);    
    document.getElementById('kbl1_3').innerHTML=mir

//////////

    var rim=document.getElementById('to_bb1').innerHTML;
    mir=kurs(rim);    
    document.getElementById('to_kbb1').innerHTML=mir

    var rim=document.getElementById('to_bl1').innerHTML;
    mir=kurs(rim);    
    document.getElementById('to_kbl1').innerHTML=mir
}