equalheight.js

(function( $ ) {
equalheight = function (container) {

    var currentTallest = 0,
        currentRowStart = 0,
        rowDivs = new Array(),
        $el,
        topPosition = 0;
    $(container).each(function () {

        $el = $(this);
        $($el).height('auto');
        topPostion = $el.position().top;

        if (currentRowStart != topPostion) {
            for (currentDiv = 0; currentDiv < rowDivs.length; currentDiv++) {
                rowDivs[currentDiv].height(currentTallest);
            }
            rowDivs.length = 0; // empty the array
            currentRowStart = topPostion;
            currentTallest = $el.height();
            rowDivs.push($el);
        } else {
            rowDivs.push($el);
            currentTallest = (currentTallest < $el.height()) ? ($el.height()) : (currentTallest);
        }
        for (currentDiv = 0; currentDiv < rowDivs.length; currentDiv++) {
            rowDivs[currentDiv].height(currentTallest);
     }
    });
  };
 
}( jQuery ));