function pageHeight() {
    return  window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ?  document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;
}


function allocateContentHeight()
{
    var leftHeight = pageHeight() - 130;
    var rightHeight = pageHeight() - 150;
    
    leftHeight += "px";
    rightHeight += "px";

    leftDiv = document.getElementById('left');
    rightDiv = document.getElementById('right');

    leftDiv.style.height = leftHeight;
    rightDiv.style.height = rightHeight;


}