function initTabs()
{
	var _hold = document.getElementById('container');
	var _sidebar = document.getElementById('sidebar');
	var _main  = document.getElementById('main');
	var _cont  = document.getElementById('content');
	if(_hold && _sidebar && _main && _cont){
		if(_sidebar.offsetHeight < _main.offsetHeight) _sidebar.style.height = _main.offsetHeight - 6 + 'px';
		if(_cont.offsetHeight < (_main.offsetHeight - _hold.offsetHeight)) _cont.style.height = _main.offsetHeight  - _hold.offsetHeight - 6 + 'px';
	}
}

if (window.addEventListener) window.addEventListener("load", initTabs, false);
else if (window.attachEvent) window.attachEvent("onload", initTabs);