var overColor = function(pEvent)
{
    var ev = eventValues(pEvent);
    ev.currentElem.t.parentNode.style.backgroundColor = "#fff";
}

var outColor = function(pEvent)
{
    var ev = eventValues(pEvent);
    ev.currentElem.t.parentNode.style.backgroundColor = "#c1c1c1";
}

var changeTableLineColor = function(pEvent)
{
    var data = document.getElementById('user_list_data');
    var lines = data.getElementsByTagName('tr');
    
    if(document.addEventListener) {
        
        for(var i = 0; i < lines.length; i++) {
            
            if(lines[i].getAttribute('id') != null) {
                var test = document.getElementById(lines[i].getAttribute('id'));
                
                if(document.addEventListener) {
                    test.addEventListener("mouseover", overColor, false);
                    test.addEventListener("mouseout", outColor, false);
                } else {
                    test.attachEvent("onmouseover", overColor);
                    test.attachEvent("onmouseout", outColor);
                }
            }
        }
    }
}