function SetHeight()
{
    if (document.getElementById("firstPageLeft") && document.getElementById("firstPageMiddle") && document.getElementById("firstPageRight") && document.getElementById("MembersOnlyRightAreaDiv"))
    {
        var controls = new Array(); 
        controls[0] = "firstPageLeft"; 
        controls[1] = "firstPageMiddle"
        controls[2] = "firstPageRight"
        controls[3] = "MembersOnlyRightAreaDiv";
        
        var max = 0;
        
        
        for (var i=0; i< 4; i++)
        {
            if (document.getElementById(controls[i]))
            {
                tmp = document.getElementById(controls[i]).offsetHeight;
                if (max < tmp)
                {
                    max = tmp;
                }
            }
        }
        
        for (var i=0; i< 4; i++)
        {
            if (document.getElementById(controls[i]))
            {
                document.getElementById(controls[i]).style.height = max + 'px';
            }
        }   
    }
}