// ContextSensitiveHelp.js

var csi_cancelOpenArray = new Array();
var csi_cancelCloseArray = new Array();


function csi_showHelpFloatWindow(windowID, objID, horizPadding, vertPadding, goRight, waitDurationInMilliseconds)
{
    // keep the window open
    csi_cancelCloseArray[windowID] = true;
    csi_cancelOpenArray[windowID] = false;
    
    setTimeout("csi_showHelpFloatWindowInternal('" + windowID + "','" + objID + "'," + horizPadding + "," + vertPadding + "," + goRight + ");", waitDurationInMilliseconds);
}

   
function csi_showHelpFloatWindowInternal(windowID, objID, horizPadding, vertPadding, goRight)
{
    // exit function immediately if open command has been cancelled
    if (csi_cancelOpenArray[windowID] == true) return;

	var w = document.getElementById(windowID);
	var obj = document.getElementById(objID);
	if (w != null && obj != null)
	{	
		w.style.display = 'block';
		w.style.visibility = 'visible';
		
		w.style.top = (getAscendingTops(obj) + vertPadding) + 'px';
		
		if (getAscendingTops(obj) + vertPadding < 0) w.style.top = '0px';
		
		if (goRight == true)
			w.style.left = (getAscendingLefts(obj) + obj.offsetWidth + horizPadding) + 'px';
		else
		{
			w.style.left = (getAscendingLefts(obj) - horizPadding - w.offsetWidth) + 'px';
			if ((getAscendingLefts(obj) - horizPadding - w.offsetWidth) < 0) w.style.left = (getAscendingLefts(obj) + obj.offsetWidth + horizPadding) + 'px';
		}
	}
}


function csi_hideHelpFloatWindow(windowID, waitDurationInMilliseconds)
{
    // cancel the open
    csi_cancelOpenArray[windowID] = true;
    
    // wait before hiding window
    csi_cancelCloseArray[windowID] = false;
    
    setTimeout("csi_hideHelpFloatWindowInternal('" + windowID + "');", waitDurationInMilliseconds);
}

function csi_hideHelpFloatWindowInternal(windowID)
{
    // exit function immediately if close command has been cancelled
    if (csi_cancelCloseArray[windowID] == true) return;

	var w = document.getElementById(windowID);
	if (w != null)
	{
		w.style.display = 'none';
		w.style.visibility = 'hidden';
		
		w.top = '-999px';
		w.left = '-999px';
	}
}


function getAscendingLefts(elem){
	if (elem==null)
		return 0;
	else
		return elem.offsetLeft+getAscendingLefts(elem.offsetParent);
}

function getAscendingTops(elem){
	if (elem==null)
		return 0;
	else
		return elem.offsetTop+getAscendingTops(elem.offsetParent);
}