function doCur(a) {
    switch(a){
        case 1:
            document.getElementById("mnu1").src = 'i/news_on.gif';
            document.getElementById("mnub1").style.backgroundColor = '#BC001E';
            break;
        case 2:
            document.getElementById("mnu2").src = 'i/about_on.gif';
            document.getElementById("mnub2").style.backgroundColor = '#BC001E';
            break;
        case 3:
            document.getElementById("mnu3").src = 'i/storenet_on.gif';
            document.getElementById("mnub3").style.backgroundColor = '#BC001E';
            break;
        case 4:
            document.getElementById("mnu4").src = 'i/catalog_on.gif';
            document.getElementById("mnub4").style.backgroundColor = '#BC001E';
            break;
        case 5:
            document.getElementById("mnu5").src = 'i/contacts_on.gif';
            document.getElementById("mnub5").style.backgroundColor = '#BC001E';
            break;
        case 6:
            document.getElementById("mnu6").src = 'i/franch_on.gif';
            document.getElementById("mnub6").style.backgroundColor = '#BC001E';
            break;

    }
}

function chCur(a) {
    switch(a){
        case 1:
            document.getElementById("mnu1").src = 'i/news.gif';
            document.getElementById("mnub1").style.backgroundColor = '#DD5E14';
            break;
        case 2:
            document.getElementById("mnu2").src = 'i/about.gif';
            document.getElementById("mnub2").style.backgroundColor = '#DD5E14';
            break;
        case 3:
            document.getElementById("mnu3").src = 'i/storenet.gif';
            document.getElementById("mnub3").style.backgroundColor = '#DD5E14';
            break;
        case 4:
            document.getElementById("mnu4").src = 'i/catalog.gif';
            document.getElementById("mnub4").style.backgroundColor = '#DD5E14';
            break;
        case 5:
            document.getElementById("mnu5").src = 'i/contacts.gif';
            document.getElementById("mnub5").style.backgroundColor = '#DD5E14';
            break;
        case 6:
            document.getElementById("mnu6").src = 'i/franch.gif';
            document.getElementById("mnub6").style.backgroundColor = '#DD5E14';
            break;

    }

}