Function.prototype.debounce = function (threshold, execAsap) {
    var func = this, // reference to original function
        timeout; // handle to setTimeout async task (detection period)
    // return the new debounced function which executes the original function only once
    // until the detection period expires
    return function debounced () {
        var obj = this, // reference to original context object
            args = arguments; // arguments at execution time
        // this is the detection function. it will be executed if/when the threshold expires
        function delayed () {
            // if we're executing at the end of the detection period
            if (!execAsap)
                func.apply(obj, args); // execute now
            // clear timeout handle
            timeout = null;
        };
        // stop any current detection period
        if (timeout)
            clearTimeout(timeout);
        // otherwise, if we're not already waiting and we're executing at the beginning of the waiting period
        else if (execAsap)
            func.apply(obj, args); // execute now
        // reset the waiting period
        timeout = setTimeout(delayed, threshold || 100);
    };
}
 
 
jQuery.debounce = function(callback, delay) {
	var timeout;
	return function() {
	clearTimeout(timeout);
		timeout = setTimeout(callback, delay);
	}
}



jQuery.jFastMenu = function(id){
	var startTempo = 0;
	var me;
	$(id + ' ul li').hover(
	function(){
		$(this).find('ul:first').stop(true,true);
		$(this).find('ul:first').animate({height:'show'}, 'fast');
	},
	function(){
		$(this).find('ul:first').animate({height:'hide', opacity:'hide'}, 'normal');
	});
}

function youAreHere(pos) {
	$("#"+pos).css( 'background-position',  'left bottom') ;
}