var stripe = function() {
    var tables = document.getElementsByTagName("table");

    for (var x = 0; x != tables.length; x++) {
        var table = tables[x];
        if (!table) { return; }

        var tbodies = table.getElementsByTagName("tbody");

        for (var h = 0; h < tbodies.length; h++) {
            var even = true;
            var trs = tbodies[h].getElementsByTagName("tr");


            for (var i = 0; i < trs.length; i++) {

                //alert("trs.length = " + trs.length);

                trs[i].onmouseover = function() {
                    this.className += " ruled"; return false
                }
                trs[i].onmouseout = function() {
                    this.className = this.className.replace("ruled", ""); return false
                }

                //alert("i = " + i + "i % 2 = " + (i % 2));


                if (i % 2 == 0)
                    trs[i].className += " even";

                //even = !even;

            }
        }
    }
}
	
	window.onload = stripe;