function resize() {
	var MinHeight = 300;
	var leftHeight = document.getElementById("midleftcontainer").scrollHeight;
	var rightHeight = document.getElementById("midrightcontainer").scrollHeight;
	var MaxHeight;
	
	if (leftHeight > rightHeight) {
		MaxHeight = leftHeight;
	} else {
		MaxHeight = rightHeight;		
	}
	
	if (MaxHeight < MinHeight) {
		MaxHeight = MinHeight;	
	}
			
	document.getElementById("midcontainer").style.height = MaxHeight + "px";
	document.getElementById("midleftcontainer").style.height = MaxHeight + "px";
	document.getElementById("midrightcontainer").style.height = MaxHeight -10 + "px";
}

function reposition() {
	var winWidth = document.documentElement.clientWidth;
	var myContainerWidth = 800;
	var myLeftX = (winWidth - myContainerWidth)/2;
	
	document.getElementById("maincontainer").style.position = "absolute";
	document.getElementById("maincontainer").style.left = myLeftX + "px";
}