User:PleaseStand/hide-vector-sidebar.js

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/* hide-vector-sidebar.js: Adds a button to toggle visibility of the Vector sidebar.
   Written by PleaseStand. Public domain; all copyright claims waived as described
   in http://en.wikipedia.org/wiki/Template:PD-self */

/*global sidebarSwitch*/
function sidebarHide() {
	document.getElementById("panel").style.display = "none";
	document.body.style.marginLeft = "-10em";
	document.getElementById("left-navigation").style.left = "0";
	if(typeof sidebarSwitch == "object") {
		sidebarSwitch.parentNode.removeChild(sidebarSwitch);
	}
	sidebarSwitch = addPortletLink("p-cactions", "java" + "script:sidebarShow()", "Show sidebar", "ca-sidebar", "Show the navigation links", "h");
}
function sidebarShow() {
	document.getElementById("panel").style.display = "";
	document.body.style.marginLeft = "";
	document.getElementById("left-navigation").style.left = "";
	if(typeof sidebarSwitch == "object") {
		sidebarSwitch.parentNode.removeChild(sidebarSwitch);
	}
	sidebarSwitch = addPortletLink("p-cactions", "java" + "script:sidebarHide()", "Hide sidebar", "ca-sidebar", "Hide the navigation links", "h");
}
hookEvent("load", function() {
	// Change this if you want to show the sidebar by default
	sidebarHide();
});