/**
* hoverIntent r5 // 2007.03.27 // jQuery 1.1.2+
* <http://cherne.net/brian/resources/jquery.hoverIntent.html>
* 
* @param  f  onMouseOver function || An object with configuration options
* @param  g  onMouseOut function  || Nothing (use configuration options object)
* @author    Brian Cherne <brian@cherne.net>
*/
(function($){
    $.fn.hoverIntent=function(f,g){
        var cfg={sensitivity:7,
                 interval:100,
                 timeout:0};
                 
        cfg=$.extend(cfg,g?{over:f,out:g}:f);
        
        var cX,cY,pX,pY;
        var track=function(ev){
            cX=ev.pageX;cY=ev.pageY;
        };
        var compare=function(ev,ob){
            ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);
            
            if((Math.abs(pX-cX)+Math.abs(pY-cY))<cfg.sensitivity){
                $(ob).unbind("mousemove",track);
                ob.hoverIntent_s=1;
                
                return cfg.over.apply(ob,[ev]);
            }else{
                pX=cX;pY=cY;ob.hoverIntent_t=setTimeout(function(){
                    compare(ev,ob);
                },cfg.interval);
            }
        };
        
        var delay=function(ev,ob){
            ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);
            ob.hoverIntent_s=0;
            
            return cfg.out.apply(ob,[ev]);
        };
        
        var handleHover=function(e){
            var p=(e.type=="mouseover"?e.fromElement:e.toElement)||e.relatedTarget;
            
            while(p&&p!=this){
                try{
                    p=p.parentNode;
                }catch(e){
                    p=this;
                }
            }
        
            if(p==this){
                return false;
            }
        
            var ev=jQuery.extend({},e);
            var ob=this;
        
            if(ob.hoverIntent_t){
                ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);
            }
    
            if(e.type=="mouseover"){
                pX=ev.pageX;pY=ev.pageY;
            
                $(ob).bind("mousemove",track);
            
                if(ob.hoverIntent_s!=1){
                    ob.hoverIntent_t=setTimeout(function(){
                        compare(ev,ob);
                    },cfg.interval);
                }
            }else{
                $(ob).unbind("mousemove",track);
            
                if(ob.hoverIntent_s==1){
                    ob.hoverIntent_t=setTimeout(function(){
                        delay(ev,ob);
                    },cfg.timeout);
                }
            }
        };
        
        return this.mouseover(handleHover).mouseout(handleHover);
    };
})(jQuery);