var isSidebarCollapsed = false;

var currentMenuDisplay = "sidebar_main";

var lastTargetTop = 0;

var currentPixelTop = 0;

function onScrollTabTimer() {

    var oNavTab = document.getElementById("sidetabDiv");

    var targetTop = document.pageOffsetY ? document.pageYOffset : (document.documentElement ? document.documentElement.scrollTop : document.body.scrollTop);

    var changeAmount = 0;

    

    if(targetTop != currentPixelTop && lastTargetTop == targetTop) {

		changeAmount = (targetTop - currentPixelTop) / 10;

		if(changeAmount < 0) {

			if(changeAmount > -0.1) {

				currentPixelTop = targetTop;

				changeAmount = 0;

			}

		}

		else{

			if(changeAmount < 0.1) {

				currentPixelTop = targetTop;

				changeAmount = 0;

			}

		}

		

		currentPixelTop += changeAmount;

		oNavTab.style.top = currentPixelTop + "px";

		window.setTimeout("onScrollTabTimer();", 50);

    }

    else{

		window.setTimeout("onScrollTabTimer();", 1000);

    }

    

    lastTargetTop = targetTop;

}

var bodyLoadFunctionNames = new Array("initialLayoutCommands();");

function onBodyLoad() {

	for(var i = 0; i < bodyLoadFunctionNames.length; ++i) {

		eval(bodyLoadFunctionNames[i]);

	}

}


var menuIsOpen = new Array();

var menuAwaitingClose = new Array();

var menuRollOutPosition = new Array();

var lastMenuOpened = "";

function onMenuElementOver(menuName,shouldOpen) {

	menuAwaitingClose[menuName] = false;

	if(shouldOpen && !menuIsOpen[menuName]) {

		if(lastMenuOpened) {

			testCloseMenu(lastMenuOpened);

		}

		

		var oMenuObject = document.getElementById(menuName + "_menu");

		var oMenuContainer = document.getElementById(menuName + "_container");

		var oMenuLink = document.getElementById(menuName + "_link");

		

		menuRollOutPosition[menuName] = -oMenuObject.offsetHeight * 5;

		rollOutMenu(menuName);

		

		oMenuContainer.style.left = oMenuLink.offsetLeft + "px";

		//oMenuContainer.style.top = (oMenuLink.offsetTop + oMenuLink.offsetHeight + 137) + "px";

		oMenuContainer.style.visibility = "visible";

		

		menuIsOpen[menuName] = true;

		lastMenuOpened = menuName;

	}

}



function onMenuElementOut(menuName) {

	menuAwaitingClose[menuName] = true;

	window.setTimeout("testCloseMenu('" + menuName + "');", 400);

}



function rollOutMenu(menuName) {

	var oMenuObject = document.getElementById(menuName + "_menu");

	var currentPosition = menuRollOutPosition[menuName];

	

	if(currentPosition > - 2) {

		currentPosition = 0;

	}

	else{

		currentPosition = Math.floor(currentPosition / 2);

		window.setTimeout("rollOutMenu('" + menuName + "');", 33);	

	}

	

	menuRollOutPosition[menuName] = currentPosition;

	oMenuObject.style.top = currentPosition + "px";	

}



function testCloseMenu(menuName) {

	if(menuAwaitingClose[menuName]) {

		var oMenuContainer = document.getElementById(menuName + "_container");

		oMenuContainer.style.visibility = "hidden";

		menuIsOpen[menuName] = false;

	}

}



var oLastVisibleItem = null;

function visibiliseDesc(elementName, oAlignmentElement) {

	var oElement = document.getElementById(elementName);

	oElement.style.left = "-6px";

	oElement.style.top = oAlignmentElement.offsetHeight + 3 + "px";

	

	oElement.style.display = "block";

	if(oLastVisibleItem != null) {

		oLastVisibleItem.style.display = "none";

	}

	

	oLastVisibleItem = oElement;

}