﻿
(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); }


pX = ev.pageX; pY = ev.pageY;

$(ob).bind("mousemove",track);

if (e.type == "mouseover") {






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);