onload = function(){
	resize_screen();
}
onresize = function(){
	resize_screen();
}
function resize_screen(){
	var windowHeight;
	
	if(navigator.appName=="Netscape"){
		windowHeight = window.innerHeight;
	}
	else{
		windowHeight = document.body.offsetHeight;
	}
	document.getElementById('divMainContent').style.height=windowHeight-169;
}