function fun ()
{
    var vis = document.getElementById('container');
    if (typeof vis != "undefined") {
        sh = vis.offsetHeight;
        wh = (window.innerHeight ? window.innerHeight : (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.offsetHeight)); 
        vis = document.getElementById('leftcolumn');
            if (typeof vis != "undefined" && sh<(wh)) {
                vis.style.height=wh-450+'px';
            }
    }
}



<!--//--><! MenuPOPUP //><!--


sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" over";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" over\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);