var lastActiveToolTip = null;
function OnClientShow(sender, args) {
    lastActiveToolTip = sender;
}

function beforeunload() {
    var activeTooltip = Telerik.Web.UI.RadToolTip.getCurrent();
    if (!activeTooltip) activeTooltip = lastActiveToolTip;
    if (activeTooltip) {
        var targetElement = activeTooltip.get_targetControl();
        activeTooltip._registerMouseHandlers(targetElement, false);
    }
};

if (Sys.Browser.agent == Sys.Browser.InternetExplorer) {
    window.attachEvent('onbeforeunload', beforeunload);
}

function Hilite(me, focus) {
    me.style.backgroundColor = false != focus ? "#ffffcc" : "white";
}