// JavaScript Document
function voidf()
{
	;
}
function show(my_id, extraHeight)
{
	document.getElementById(my_id).style.display = "block";
	document.getElementById("show-" + my_id).style.display = "none";
	document.getElementById("hide-" + my_id).style.display = "block";

	//adjust middleContent height
	var mHeight = xHeight('middleContent');
	xHeight('middleContent', mHeight + extraHeight);
	adjustLayout();
}

function hide(my_id, extraHeight)
{
	document.getElementById(my_id).style.display = "none";
	document.getElementById("show-" + my_id).style.display = "block";
	document.getElementById("hide-" + my_id).style.display = "none";

	//adjust heights
	var mHeight = xHeight('middleContent');
	xHeight('middleContent', mHeight - extraHeight);
	xHeight('rightContent', mHeight - extraHeight);
	xHeight('leftContent', mHeight - extraHeight);
}