function showDiv(sDivNo)
    {
        var div1 = document.getElementById('katinnerSoz');
        var div2 = document.getElementById('katinnerHikaye');
        var div3 = document.getElementById('katinnerSiir');
        var lnk1 = document.getElementById('linkinnerSoz');
        var lnk2 = document.getElementById('linkinnerHikaye');
        var lnk3 = document.getElementById('linkinnerSiir');
        
        if(sDivNo==1) {
            div1.style.display = '';
            div2.style.display = 'none';
            div3.style.display = 'none';
            lnk1.className = 'activekat';
            lnk2.className = '';
            lnk3.className = '';
        } else if(sDivNo==2) {
            div1.style.display = 'none';
            div2.style.display = '';
            div3.style.display = 'none';
            lnk1.className = '';
            lnk2.className = 'activekat';
            lnk3.className = '';
        } else if(sDivNo==3) {
            div1.style.display = 'none';
            div2.style.display = 'none';
            div3.style.display = '';
            lnk1.className = '';
            lnk2.className = '';
            lnk3.className = 'activekat';
        }
    }