var firstSize;
function designAdapter() {
	if (document.getElementById('middle') && document.getElementById('page')) {
		var diff = document.getElementById('page').offsetHeight;
		firstSize = diff;
	//	document.getElementById('middle').style.minHeight = (diff - 90) + 'px';
	}
}

function cleardesignAdapter() {
	if (document.getElementById('middle') && document.getElementById('page')) {
		document.getElementById('middle').style.minHeight = '0px';
	}
}

function postdesignAdapter() {
	if (document.getElementById('middle') && document.getElementById('everything')) {
		var diff = document.getElementById('everything').offsetHeight;
		if (diff < 300) diff = 300;
		document.getElementById('middle').style.minHeight = '0px';
		document.getElementById('middle').style.height = (parseInt(diff) + 20) + 'px';
		document.getElementById('page').height = (parseInt(diff)-100) + 'px';
	}
}

function addEvent(elm, evType, fn, useCapture){
    if (elm.addEventListener)
    {
      elm.addEventListener(evType, fn, useCapture);
      return true;
    } else if (elm.attachEvent) {
      var r = elm.attachEvent('on' + evType, fn);
      return r;
    } else {
      elm['on' + evType] = fn;
    }
}

addEvent(window,'load',designAdapter,false);