$.fn.stickyfloat = function(options, lockBottom) {
	var $obj 				= this;
	var parentPaddingTop 	= parseInt($obj.parent().css('padding-top'));
	var startOffset 		= $obj.parent().offset().top;
	var opts 				= $.extend({ startOffset: startOffset, offsetY: parentPaddingTop, duration: 200, lockBottom:true }, options);
	
	if(opts.lockBottom){
		var bottomPos = $obj.parent().height() - $obj.height() + parentPaddingTop; //get the maximum scrollTop value
		if( bottomPos < 0 )
			bottomPos = 0;
	}
	
	var iOS = false;
    if (navigator.appVersion.match(/(iPad|iPhone|iPod Touch); U; CPU OS 4/)) {
        iOS = true;
    }
		
	var latestPos = 0;
	
	$obj.css({ position: 'absolute' });
	
	
	$(window).scroll(function () { 
		if (iOS) return;
		
		$obj.stop();
        var scrollTop = $(document).scrollTop()
        
        // Is the document scrolled completely to the top?
		var pastStartOffset			= scrollTop > opts.startOffset;
		// Is altijd true, behalve als pastStartOffset ook true is
		var objFurtherThanTopPos	= $obj.offset().top > startOffset;	
		// Check if scrolling menu is smaller than browser window
		var objSmallerThanWindow 	= $obj.outerHeight() < $(window).height();
		
		
		if( (pastStartOffset || objFurtherThanTopPos) && objSmallerThanWindow ){ 
         
            var newpos = (scrollTop -startOffset + opts.offsetY );
         
			if ( newpos > bottomPos )
				newpos = bottomPos;
			if ( scrollTop < opts.startOffset )
				newpos = parentPaddingTop;
            
			if (scrollTop > latestPos) {
                $obj.css({ position: 'absolute', top: latestPos });
                $obj.animate({ top: newpos }, opts.duration, 'swing', function(){
                    latestPos = scrollTop;
                    $obj.css({ position: 'fixed', top: 0 });                   
                });
                
            }
            
            else {    
                 latestPos = scrollTop;
                 $obj.css({ position: 'fixed', top: 0 }); 
            }      
		}
		
	});
};