/**
 * NVS_POPUP
 * 
 * @author			Sebastiaan Smid <sebastiaan@netvlies.nl>
 * 
 * Optional parameters:
 * @category			jQuery Plugin
 * @package			Netvlies Popup
 * @version			1.0
 *
 */
 
(function($) {

	$.nvsPopup= { 
		
		show : function (options) { 
		// default settings	
			var defaults = {
				background: 'white',
				width: '300px',
				height: '360px',
				padding: '10px',
				callback: false
			};	
			
			options = $.extend(defaults, options);
		
		//add popup to the DOM	
			$('<div></div>').attr({
					id: 'nvs_popup_container' 
				}).css({
					position: 'absolute',
					top: $(document).scrollTop() + (($(window).height())/10),
					left: '0px',
					width: '100%',
					textAlign: 'left',
					zIndex: '10000'
				}).appendTo('body');
			
			$('<div></div>').attr({
					id: 'nvs_popup' 
				}).css({
					position: 'relative',
					background: options.background,
					width: options.width, 
					height: options.height,
					padding: options.padding,
					opacity: '0',
					margin: '0 auto'
				}).appendTo('#nvs_popup_container').fadeTo(1000, 1, options.callback)
			
			$(window).bind('scroll', this.popUpScroll);
		},
		
		//resize the popup
		resize : function (options,callback) {
			var defaults = {
				width: false,
				height: false,
				speed: 500
			};	
			
			options = $.extend(defaults, options);
			$('#nvs_popup').animate({width: options.width, height: options.height}, options.speed, callback); 
		},
		
		//reposition popup on scrolling		
		popUpScroll : function () { 
			$('#nvs_popup_container').stop();
			$('#nvs_popup_container').animate({top: $(document).scrollTop() + (($(window).height())/10)},500,"easeOutBack");
		}
		
	}
	
})(jQuery);