var __tipColleagueWindow;

function ShowTipColleagueWindow()
{
    if(__tipColleagueWindow != undefined)
        __tipColleagueWindow.close();
        
    __tipColleagueWindow = window.open("/Tip.aspx?url=" + location.href, "TipColleagueWindow", "status=0,toolbar=0,menubar=0,scrollbars=0,width=400,height=350");
}