function AjaxLinkTracker() {
	var me;
	if (this.constructor==AjaxLinkTracker){
		me=this;
	}else{
		me=arguments[arguments.length-1];
	}

// Configuration
// ------------
	me.apiURL='http://www.buduracing.com/tracker/';
	me.displayCount=false;
	me.displayPercent=true;
	me.displayLabel=true;
	me.numberDays=28; //1-30
	me.clickOffSet=10;
	// -----------

	me.url=encodeURIComponent( document.location.href );
	me.listeners=[];


	me.addLinkTracking=function(){
		if (!document.getElementsByTagName) return false;

		// Create ajax objects
		me.clickedXHR=new XHRConnection();
		me.getClicksXHR=new XHRConnection();

		// find links in document
		links=document.getElementsByTagName('a');

		// if link does have a id add one
		for (var i=0; i < links.length; i++) {
			me.addEvent( links[i], 'mousedown', me.recordClick, false );
			me.addEvent( links[i], 'keypress', me.linkKeyPress, false );
			if (! links[i].getAttribute('id') ) {
				links[i].setAttribute('id','link_' + i);
			}
		}

		// find buttons in document
		inputs=document.getElementsByTagName('input');
		for (var i=0; i < inputs.length; i++) {

			type=inputs[i].getAttribute('type');

			// only attach events to buttons
			if ( type=='submit' || type=='button' ){
				me.addEvent( inputs[i], 'mousedown', me.recordClick, false );
				me.addEvent( inputs[i], 'keypress', me.linkKeyPress, false );
				// if button does have a id add one
				if (! inputs[i].getAttribute('id') ){
					inputs[i].setAttribute('id','button_' + i);
				}
			}
		}
	}

	me.linkKeyPress=function(e) {
		// check for return key press
		var keyID=(window.event) ? event.keyCode : e.keyCode;
		if (keyID==13) {
			me.recordClick(e);
		}
	}

	me.recordClick=function(e) {
		// records click information using ajax
		source=me.findSourceElement(e);
		tag=source.tagName;
		var id,label,target

		if( tag=='IMG'){
			if( source.parentNode.tagName=='A' )
			{
				id=source.parentNode.getAttribute('id');
				target=source.parentNode.href;
			}
			label=source.getAttribute('alt');
			if (label==null) {
				label='image';
			}
		}

		if( tag=='A' ){
			id=source.getAttribute('id');
			target=source.href;
			label=me.getInnerText( source, '' );
		}

		if( tag=='INPUT' ){
			id=source.getAttribute('id');
			label=source.getAttribute('value');

			if( source.getAttribute('type')=='submit' ) {
				target=me.getFormTarget( source );
			} else {
				target='script';
			}
		}


		id=encodeURIComponent( id );
		target=encodeURIComponent( target );
		label=encodeURIComponent( label );

		var ajaxURL=me.apiURL + 'addclick.php?id=' + id + '&label=' + label + '&target=' + target + '&url=' + me.url + '&rand='+Math.random();
		me.clickedXHR.send( ajaxURL, 'get', me.beenClicked, null  );

	}


	me.beenClicked=function( obj ) {
		//alert( obj.responseText );
	}


	me.getClickThroughInfo=function (){
		// get click data using ajax
		var ajaxURL=me.apiURL + 'getclicks.php?url=' + me.url + '&days=' + me.numberDays + '&rand='+Math.random();
		me.getClicksXHR.send( ajaxURL, 'get', me.displayClickThroughs, null  );
	}


	me.displayClickThroughs=function( obj ){
		// display click through data

		if (!document.getElementsByTagName) return false;

		if(obj.responseXML)
			node=obj.responseXML;
		if(obj.responseXml)
			node=obj.responseXML;

		if(node.childNodes[0].nodeType==7) {
			rootNode=node.childNodes[1];
		}else{
			rootNode=node.childNodes[0];
		}

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

			linknode=rootNode.childNodes[i];
			count=linknode.getAttribute('count');
			percent=linknode.getAttribute('percent');
			label=linknode.getAttribute('label');
			id=linknode.childNodes[0].nodeValue;

			if ( document.getElementById(id) ) {

				eltLink=document.getElementById(id);

				eltDiv=document.createElement( 'div' );
				eltDiv.className='linklabel';

				var text='';
				if( me.displayPercent )
					text +=percent + '% ';

				if( me.displayCount )
					text +='(' + count + ') ';

				if( me.displayLabel )
					text +=label ;

				eltText=document.createTextNode( text );
				eltDiv.appendChild( eltText );
				document.body.appendChild( eltDiv );

				Drag.init(eltDiv, eltDiv);

				ileft=parseInt( me.getPageOffsetLeft( eltLink ) ) + me.clickOffSet;
				itop=parseInt( me.getPageOffsetTop( eltLink ) ) + me.clickOffSet;
				eltDiv.style.left=ileft + 'px';
				eltDiv.style.top=itop + 'px';

			}
		}
		me.labelsCreated=true;
		me.labelsDisplayed=true;

	}

	me.keyCheck=function (e) {
		// check to see if user press 'ctrl x'
		var keyID=(window.event) ? event.keyCode : e.keyCode;
		var ctrlKey=(window.event) ? event.ctrlKey : e.ctrlKey;

		if((keyID==88)&&(ctrlKey==true)) {

			eltLabels=me.getElementsByClassName('linklabel');
			if( eltLabels.length==0 ) {
				me.getClickThroughInfo();
			}else{
				for (var i=0; i < eltLabels.length; i++) {
					eltLabels[i].parentNode.removeChild(eltLabels[i]);
				}
			}
		}
	}

	me.getInnerText=function( node, text ) {
		// returns the text of any element node
		for (var i=0; i < node.childNodes.length; i++) {

			if( node.childNodes[i].nodeType==3 ) {
				text +=node.childNodes[i].nodeValue;
			}
			if( node.childNodes[i].nodeType==1 ) {
				text=me.getInnerText( node.childNodes[i], text);
			}
		}
		return text;
	}

	me.getFormTarget=function( elt ) {
		// returns the form action attribute from
		// if given the child node of that form
		target=null;
		parentElt=elt.parentNode;
		if( parentElt.nodeType==1 ) {
			if( parentElt.tagName=='FORM' ) {
				target=parentElt.getAttribute('action');
			}else {
				target=me.getFormTarget( elt.parentNode );
			}
		}else {
			target=me.getFormTarget( elt.parentNode );
		}
		return target;
	}

	me.addEvent=function( elm, evType, fn, useCapture ) {
		// Updated version which captures passed events
		if (elm.AddEventListener)
		{
			elm.AddEventListener(evType, fn, useCapture);
			return true;
		} else if (elm.attachEvent) {
			var r=elm.attachEvent('on' + evType, fn);
			me.listeners[me.listeners.length]=[ elm, evType, fn ];
			return r;
		} else {
			var xEventFn=elm['on' + evType];
			if (typeof elm['on' + evType] !='function')
			{
				elm['on' + evType]=fn;
			} else {
				elm['on' + evType]=function(e) { xEventFn(e); fn(e); };
			}
		}
	}

	me.unload=function(){
		// page unload event which removes circular references
		// that may cause memory leaks in IE 5/6
		if( window.attachEvent ){
			for (var i=0; i < me.listeners.length; i++) {
				me.listeners[i][0].detachEvent( 'on' + me.listeners[i][1], me.listeners[i][2] );
			}
		}
	}

	me.getElementsByClassName=function( className ) {
		// returns a collection of element nodes which
		// have the passed className
		var children=document.getElementsByTagName('*') || document.all;
		var elements=new Array();
		for (var i=0; i < children.length; i++)
		{
			var child=children[i];
			var classNames=child.className.split(' ');
			for (var j=0; j < classNames.length; j++)
			{
				if (classNames[j]==className)
				{
					elements.push(child);
					break;
				}
			}
		}
		return elements;
	}

	me.findSourceElement=function(e) {
		// finds event source
		if (typeof e=='undefined')
			var e=window.event;

		var source;
		if (typeof e.target !='undefined')
		{
			source=e.target;
		} else if (typeof e.srcElement !='undefined') {
			source=e.srcElement;
		} else {
			return true;
		}

		if (source.nodeType==3)
			source=source.parentNode;

		return source;
	}

	me.getPageOffsetLeft=function(elt) {
		var x;
		x=elt.offsetLeft;
		if (elt.offsetParent !=null)
			x +=me.getPageOffsetLeft(elt.offsetParent);
		return x;
	}

	me.getPageOffsetTop=function(elt) {
		var y;
		y=elt.offsetTop;
		if (elt.offsetParent !=null)
			y +=me.getPageOffsetTop(elt.offsetParent);
		return y;
	}

	//------------------------------------------


	// dom-drag.js
	// 09.25.2001
	// www.youngpup.net
	var Drag={

		obj : null,

		init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper)
		{
			o.onmousedown=Drag.start;
			o.hmode=bSwapHorzRef ? false : true ;
			o.vmode=bSwapVertRef ? false : true ;

			o.root=oRoot && oRoot !=null ? oRoot : o ;

			if (o.hmode  && isNaN(parseInt(o.root.style.left  ))) o.root.style.left ='0px';
			if (o.vmode  && isNaN(parseInt(o.root.style.top   ))) o.root.style.top  ='0px';
			if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right='0px';
			if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom='0px';

			o.minX=typeof minX !='undefined' ? minX : null;
			o.minY=typeof minY !='undefined' ? minY : null;
			o.maxX=typeof maxX !='undefined' ? maxX : null;
			o.maxY=typeof maxY !='undefined' ? maxY : null;

			o.xMapper=fXMapper ? fXMapper : null;
			o.yMapper=fYMapper ? fYMapper : null;

			o.root.onDragStart=new Function();
			o.root.onDragEnd=new Function();
			o.root.onDrag=new Function();
		},

		start : function(e)
		{

			var o=Drag.obj=this;
			e=Drag.fixE(e);
			var y=parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
			var x=parseInt(o.hmode ? o.root.style.left : o.root.style.right );
			o.root.onDragStart(x, y);

			o.lastMouseX=e.clientX;
			o.lastMouseY=e.clientY;

			if (o.hmode) {
				if (o.minX !=null) o.minMouseX=e.clientX - x + o.minX;
				if (o.maxX !=null) o.maxMouseX=o.minMouseX + o.maxX - o.minX;
			} else {
				if (o.minX !=null) o.maxMouseX=-o.minX + e.clientX + x;
				if (o.maxX !=null) o.minMouseX=-o.maxX + e.clientX + x;
			}

			if (o.vmode) {
				if (o.minY !=null) o.minMouseY=e.clientY - y + o.minY;
				if (o.maxY !=null) o.maxMouseY=o.minMouseY + o.maxY - o.minY;
			} else {
				if (o.minY !=null) o.maxMouseY=-o.minY + e.clientY + y;
				if (o.maxY !=null) o.minMouseY=-o.maxY + e.clientY + y;
			}

			document.onmousemove=Drag.drag;
			document.onmouseup=Drag.end;

			return false;
		},

		drag : function(e)
		{
			e=Drag.fixE(e);
			var o=Drag.obj;

			var ey=e.clientY;
			var ex=e.clientX;
			var y=parseInt(o.vmode ? o.root.style.top  : o.root.style.bottom);
			var x=parseInt(o.hmode ? o.root.style.left : o.root.style.right );
			var nx, ny;

			if (o.minX !=null) ex=o.hmode ? Math.max(ex, o.minMouseX) : Math.min(ex, o.maxMouseX);
			if (o.maxX !=null) ex=o.hmode ? Math.min(ex, o.maxMouseX) : Math.max(ex, o.minMouseX);
			if (o.minY !=null) ey=o.vmode ? Math.max(ey, o.minMouseY) : Math.min(ey, o.maxMouseY);
			if (o.maxY !=null) ey=o.vmode ? Math.min(ey, o.maxMouseY) : Math.max(ey, o.minMouseY);

			nx=x + ((ex - o.lastMouseX) * (o.hmode ? 1 : -1));
			ny=y + ((ey - o.lastMouseY) * (o.vmode ? 1 : -1));

			if (o.xMapper) nx=o.xMapper(y)
			else if (o.yMapper) ny=o.yMapper(x)

			Drag.obj.root.style[o.hmode ? 'left' : 'right']=nx + 'px';
			Drag.obj.root.style[o.vmode ? 'top' : 'bottom']=ny + 'px';
			Drag.obj.lastMouseX=ex;
			Drag.obj.lastMouseY=ey;

			Drag.obj.root.onDrag(nx, ny);
			return false;
		},

		end : function()
		{
			document.onmousemove=null;
			document.onmouseup =null;
			Drag.obj.root.onDragEnd(    parseInt(Drag.obj.root.style[Drag.obj.hmode ? 'left' : 'right']),
										parseInt(Drag.obj.root.style[Drag.obj.vmode ? 'top' : 'bottom']));
			Drag.obj=null;
		},

		fixE : function(e)
		{
			if (typeof e=='undefined') e=window.event;
			if (typeof e.layerX=='undefined') e.layerX=e.offsetX;
			if (typeof e.layerY=='undefined') e.layerY=e.offsetY;
			return e;
		}
	};

	me.addEvent( window, 'load', me.addLinkTracking, false );
	me.addEvent( document, 'keydown', me.keyCheck, false );
	me.addEvent( window, 'unload', me.unload, false );

}

var ajaxLinkTracker=new AjaxLinkTracker();


function XHRConnection() {
    var me;
    if (this.constructor==XHRConnection){
        me=this
    }else{
        me=arguments[arguments.length-1]
    }

	me.Request=me.createXHR();

    me.handler=function () {
		if (me.Request.readyState==4) {
			if (me.Request.status==200) {

				me.processResponse();
			}
		}
	}

	me.send=function ( url, action, fnOK ) {
	    me.URL=url;
		me.Action=action;
		me.fnOK=fnOK;
		if( me.Request !=null ){
			me.Request.open(me.Action, me.URL, true);
			me.Request.onreadystatechange=me.handler;
			me.Request.send(null);
		}else{
			alert('Could not load XHR object');
		}
	}
}

XHRConnection.prototype.createXHR=function() {
	try { return new ActiveXObject('Msxml2.XMLHTTP'); } catch (e) {}
	try { return new ActiveXObject('Microsoft.XMLHTTP'); } catch (e) {}
	try { return new XMLHttpRequest(); } catch(e) {}
	return null;
}

XHRConnection.prototype.processResponse=function () {
	this.fnOK(this.Request);
}