function getText(el) {
    if (typeof el.textContent == 'string') return el.textContent;
    if (typeof el.innerText == 'string') return el.innerText;
}

function changeText(){  
    var mylist=document.getElementById("SAMenu1")
    for (i=0; i<mylist.childNodes.length; i++){
        var node = mylist.childNodes[i];             
        var text = getText(node);        
        var trimmed = text.replace(/^\s+|\s+$/g, '') ;        
        if(trimmed.length > 0 && trimmed == "??-??????"){
            //trimmed = "По-русски";
            trimmed = "&#1055;&#1086;-&#1088;&#1091;&#1089;&#1089;&#1082;&#1080;";
            var innerHTML = node.innerHTML;
            var textBegin = innerHTML.indexOf(">");
            var textEnd = innerHTML.indexOf("<", textBegin);                                                
            var newInnerHTML  = innerHTML.substring(0, textBegin +1) + trimmed + innerHTML.substring(textEnd);            
            node.innerHTML = newInnerHTML;
        }
    }
}