Description height set using jquey

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var currentTallest = 0,
            currentRowStart = 0,
            rowDivs = new Array(),
            $el,
            topPosition = 0;

        $mt('.item_desc').each(function() {
            $el = $mt(this);
            topPosition = $el.position().top;
            if (currentRowStart != topPosition) {
                /* we just came to a new row.  Set all the heights on the completed row */
                for (currentDiv = 0 ; currentDiv < rowDivs.length ; currentDiv++) {
                    rowDivs[currentDiv].height(currentTallest);
                }
                /* set the variables for the new row */
                rowDivs.length = 0; /* empty the array */
                currentRowStart = topPosition;
                currentTallest = $el.height();
                rowDivs.push($el);
            } else {

                /* another div on the current row.  Add it to the list and check if it's taller */
                rowDivs.push($el);
                currentTallest = (currentTallest < $el.height()) ? ($el.height()) : (currentTallest);

            }
            /* do the last row */
            for (currentDiv = 0 ; currentDiv < rowDivs.length ; currentDiv++) {
                rowDivs[currentDiv].height(currentTallest);
            }
        });