function setContentHeight() {
var hght;
var content = document.getElementById("content");
    if (window.innerHeight) {
      hght = window.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight) {
      hght = document.documentElement.clientHeight;
    }
    else if (document.body && document.body.clientHeight) {
      hght = document.body.clientHeight;
    }
    if (document.body.scrollHeight <= hght) 
    {
      content.style.height = (hght - 149) + 'px';
    }
}
function resizeContent() {
var hght;
var content = document.getElementById("content");
var right = document.getElementById("right").offsetHeight;
var left = document.getElementById("left").offsetHeight;
    if (window.innerHeight) {
      hght = window.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight) {
      hght = document.documentElement.clientHeight;
    }
    else if (document.body && document.body.clientHeight) {
      hght = document.body.clientHeight;
    }
    if (document.body.scrollHeight <= hght) 
    {
      content.style.height = (hght - 149) + 'px';
    } 
    else if (document.body.scrollHeight > (right + 149) && document.body.scrollHeight > (left + 149) && (right + 149) <= hght && (left + 149) <= hght)
    {
      content.style.height = (hght - 149) + 'px';
    }
    else
    {
      content.style.height = 'auto';
    }     
}
window.onresize=resizeContent;