// adjust horizontal and vertical offsets here
// (distance from mouseover event which activates tooltip)
Tooltip.offX = 4;  
Tooltip.offY = 4;
Tooltip.followMouse = false;  // must be turned off for hover-tip

function doTooltip(e, title,msg)
{
	if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
  	Tooltip.clearTimer();
  	var tip = document.getElementById? document.getElementById(Tooltip.tipID): null;
  	if ( tip && tip.onmouseout == null ) 
  	{
      		tip.onmouseout = Tooltip.tipOutCheck;
      		tip.onmouseover = Tooltip.clearTimer;
  	}
  	Tooltip.show(e, title,msg);	
}

function hideTip()
{
	if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
  	Tooltip.timerId = setTimeout("Tooltip.hide()", 300);
}

function hideTipNow()
{
	if ( typeof Tooltip == "undefined" || !Tooltip.ready ) return;
  	Tooltip.hideNow();
}

Tooltip.tipOutCheck = function(e) 
{
	e = dw_event.DOMit(e);
  	// is element moused into contained by tooltip?
  	var toEl = e.relatedTarget? e.relatedTarget: e.toElement;
  	if ( this != toEl && !contained(toEl, this) ) Tooltip.hide();
}

// returns true of oNode is contained by oCont (container)
function contained(oNode, oCont)
{
	if (!oNode) return; // in case alt-tab away while hovering (prevent error)
  	while ( oNode = oNode.parentNode ) if ( oNode == oCont ) return true;
  	return false;
}

Tooltip.timerId = 0;
	
Tooltip.clearTimer = function()
{
	if (Tooltip.timerId) { clearTimeout(Tooltip.timerId); Tooltip.timerId = 0; }
}

Tooltip.unHookHover = function ()
{
	var tip = document.getElementById? document.getElementById(Tooltip.tipID): null;
    	if (tip)
    	{
        	tip.onmouseover = null; 
        	tip.onmouseout = null;
        	tip = null;
    	}
}

dw_event.add(window, "unload", Tooltip.unHookHover, true);