document.getElementsByClassName = function(clsName){
    var retVal = new Array();
    var elements = document.getElementsByTagName("*");
    for(var i = 0;i < elements.length;i++){
        if(elements[i].className.indexOf(" ") >= 0){
            var classes = elements[i].className.split(" ");
            for(var j = 0;j < classes.length;j++){
                if(classes[j] == clsName)
                    retVal.push(elements[i]);
            }
        }
        else if(elements[i].className == clsName)
            retVal.push(elements[i]);
    }
    return retVal;
}

function FocusParent(obj) {
    var allLi = document.getElementsByClassName("contactli");
    for(var i=0;i<allLi.length;i++)
    {
        allLi[i].style.background = "none";  
        allLi[i].style.color = "#000000";
    }
    obj.parentNode.style.background = "#20345a";  
    obj.parentNode.style.color = "#ffffff";
}   
function DeFocusParent(obj) {
    obj.parentNode.style.background = "none";
    obj.parentNode.style.color = "#000000";
}
function Focus(obj) {
    var allLi = document.getElementsByClassName("contactli");
    for(var i=0;i<allLi.length;i++)
    {
        allLi[i].style.background = "none";  
        allLi[i].style.color = "#000000";
    }
    obj.style.background = "#20345a";  
    obj.style.color = "#ffffff";
}
function DeFocus(obj) {
    obj.style.background = "none";
    obj.style.color = "#000000";
}