function outerHt() {

 var viewportwidth;
 var viewportheight;
 
 // the more standards compliant browsers (mozilla/netscape/opera/IE7) use window.innerWidth and window.innerHeight 
 if (typeof window.innerWidth != 'undefined')
 {
      viewportwidth = window.innerWidth,
      viewportheight = window.innerHeight
 } 
// IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document)
 else if (typeof document.documentElement != 'undefined'
     && typeof document.documentElement.clientWidth !=
     'undefined' && document.documentElement.clientWidth != 0)
 {
       viewportwidth = document.documentElement.clientWidth,
       viewportheight = document.documentElement.clientHeight
 } 
 // older versions of IE 
 else
 {
       viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
       viewportheight = document.getElementsByTagName('body')[0].clientHeight
 }
 
 
	gl = document.getElementById('outertable').offsetHeight;
	g2 = document.getElementById('outertd').offsetHeight;

	if(viewportheight > gl) {
		document.getElementById('outertable').style.height=viewportheight + "px";
	}
	
	if(viewportheight > (g2+320)) {
		document.getElementById('outertd').style.height=(viewportheight-320) + "px";
	}
}
 
 outerHt();