function TNToolTip() {
	this.showDelay = 400;
	this.hideDelay = 50;
	this.myToolTip = null;
	this.toolTipTimer = null;
};

TNToolTip.prototype.init = function() {
	if(!document.getElementById("TNToolTip")) {

		var el=TNCreateElement(document,"DIV","TNToolTip");
		el.id="TNToolTip";
		document.body.appendChild(el);

	}
	
	this.myToolTip = document.getElementById("TNToolTip");
};

TNToolTip.prototype.hideTooltip = function( ) {
	clearTimeout(this.toolTipTimer);
	
	TNUnregisterEvent( "mousemove", TTTracking );

	this.toolTipTimer = setTimeout("doHideToolTip()",this.hideDelay);
	
};

function hideTooltip( ) {
	if( theTNToolTip != null ) {
		theTNToolTip.hideTooltip();
	}
}
function doTooltip ( inEvent, inText ) {
	if( theTNToolTip != null ) {
		theTNToolTip.doTooltip( inEvent, inText);
	}
}
TNToolTip.prototype.doTooltip = function( inEvent, inText ) {
	if(document.getElementById("TNToolTip")) {
		
		TNRegisterEvent( "mousemove", TTTracking );
		
		this.myToolTip.innerHTML = inText;
		clearTimeout(this.toolTipTimer);
		this.toolTipTimer = setTimeout("showToolTip()",this.showDelay);
	}
};

function showToolTip ( ) {
	TNSetStyleVis("TNToolTip",true);
}
function doHideToolTip() {
	TNSetStyleVis("TNToolTip",false);
}
function TTTracking (  inEvent) {
	//alert("tr_test");
	mousePos = getMousePos(inEvent);
		TMSetStylePos("TNToolTip", mousePos['x']+10, mousePos['y']+10);	
}


var theTNToolTip = new TNToolTip();