function ShowHideAddUser(oRowAddID, oRowLinkID)
{
    var trAddUser = document.getElementById(oRowAddID);
    var trAddUserLink = document.getElementById(oRowLinkID);

    if(trAddUser.style.visibility == 'visible')
    {
        trAddUser.style.visibility='hidden';
        trAddUserLink.style.visibility='visible';
    }
    else
    {
        trAddUserLink.style.visibility='hidden';
        trAddUser.style.visibility='visible';
    }		
}

function SetUserID(txtUserID, value)
{
    var objUserID = document.getElementById(txtUserID);
    objUserID.value = value;
}

//Gets the absolute position of an element
function CumulativeOffset(element) {
    var valueT = 0, valueL = 0;
    do 
    {
        valueT += element.offsetTop  || 0;
        valueL += element.offsetLeft || 0;
        element = element.offsetParent;
    } while (element);
    return [valueL, valueT];
}