function sWebHeight()
{
    var cH = iLeft.offsetHeight ;
    var sH = iCenter.offsetHeight ;
    if ( cH < sH )
    {
        iLeft.style.height = sH - 10 + "px";
        iRight.style.height = sH + "px";
    }
   if ( cH > sH )
   {
        iCenter.style.height = cH + "px";
        iRight.style.height = cH + "px";
   } 
}