(function($) {
  $.fn.fullBg = function(options){
    var bgImg = $(this);		
	var
	  defaults = {
		width: '759',
		height: '1000'
	  },
	  settings = $.extend({}, defaults, options);
    function resizeImg() {
		//var ratio = bgImg.attr("data-height") / bgImg.attr("data-width");	
		var ratio = settings.height / settings.width;
		// Get browser window size
		var browserwidth = $(window).width();
		var browserheight = 400;
		if($(window).width()>1000){
			// Scale the image
			if ((browserheight/browserwidth) > ratio){
				bgImg.height(browserheight);
				bgImg.width(browserheight / ratio);
			} else {
					bgImg.width(browserwidth);
					bgImg.height(browserwidth * ratio);
			}
			// Center the image
			bgImg.attr('left', (browserwidth - bgImg.width())/2);
			bgImg.attr('z-index', '-1');
			//if($("#sitemapsection").is(":visible")){
			//	$(".bodybackground").css('top', $("#sitemapsection").height()+'px');
			//}
			//else
			//	$(".bodybackground").css('top', '0px');
		}
    } 
    resizeImg();
    $(window).resize(function() {
		resizeImg();
    }); 
  };
})(jQuery)