// JavaScript Document

function resize_bg($winwidth, $winheight) {

	if($winwidth > $winheight) {
		    $(".bg_img").attr({
                   width: $winwidth,
				   height: $winwidth / 1.33
            });	
	} else {
		    $(".bg_img").attr({
                   width: $winheight * 1.33,
				   height: $winheight
			});			
	}
	
}
        $(document).ready(function() {
			
				resize_bg($(window).width(),$(window).height());
                
				$(window).bind("resize", function(){
                        
					resize_bg($(window).width(),$(window).height());
							
                 });
				 


        });