/* Copyright (c) 2006 Brandon Aaron (http://brandonaaron.net)
	 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
	 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
	 * $LastChangedDate: 2007-07-21 18:44:59 -0500 (Sat, 21 Jul 2007) $
	 * $Rev: 2446 $
	 * Version 2.1.1
	 */

(function($){

	$.fn.bgIframe = $.fn.bgiframe = function(s) {
		if ( $.browser.msie && /6.0/.test(navigator.userAgent) ) {
			s = $.extend({
				top     : 'auto', // auto == .currentStyle.borderTopWidth
				left    : 'auto', // auto == .currentStyle.borderLeftWidth
				width   : 'auto', // auto == offsetWidth
				height  : 'auto', // auto == offsetHeight
				opacity : true,
				src     : 'javascript:false;'
			}, s || {});
			var prop = function(n){return n&&n.constructor==Number?n+'px':n;},
			    html = '<iframe class="bgiframe"frameborder="0"tabindex="-1"src="'+s.src+'"'+
			               'style="display:block;position:absolute;z-index:-1;'+
				               (s.opacity !== false?'filter:Alpha(Opacity=\'0\');':'')+
						       'top:'+(s.top=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\')':prop(s.top))+';'+
						       'left:'+(s.left=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\')':prop(s.left))+';'+
						       'width:'+(s.width=='auto'?'expression(this.parentNode.offsetWidth+\'px\')':prop(s.width))+';'+
						       'height:'+(s.height=='auto'?'expression(this.parentNode.offsetHeight+\'px\')':prop(s.height))+';'+
						'"/>';
			return this.each(function() {
				if ( $('> iframe.bgiframe', this).length == 0 )
					this.insertBefore( document.createElement(html), this.firstChild );
			});
		}
		return this;
	};
})(jQuery);

(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);