resize-handler.js

var resize_blocker = Date.now();
var resize_interval;

// resize AFTER resize finished, and don't do again for a second or so
window.onresize=function(){
    // window was resized, so cancel any previous deferred resize handlers.
    clearTimeout(resize_interval);

    // Call this every 250ms
    resize_interval = setTimeout(function () {

        // When is it right now?
        var date_now = Date.now();

        // If it's been 750ms since the last resize event was handled...
        if (date_now - resize_blocker  > 750) {

            // The last resize event was handled right now. Make a note.
            resize_blocker = date_now;

            // Do the crap you need to do on resize.
            $('body').css('min-height',$(window).height()+'px');
            if ($.isFunction(jQuery.fn.body_height))
                $('div.body_height').body_height();
        }
    },250);
};