// Test
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}
	
function stripeTables() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  var tables = document.getElementById("spamenu").getElementsByTagName("table");
  for (var i=0; i<tables.length; i++) {
    var alt = false;
    var rows = tables[i].getElementsByTagName("tr");
    for (var j=0; j<rows.length; j++) {
      if (alt == true) {
        addClass(rows[j],"alt");
        alt = false;
      } else {
        alt = true;
      }
    }
  }
}
	
function addClass(element,value) {
	if (!element.className) {
		element.className = value;
	} else {
		newClassName = element.className;
		newClassName+= " ";
		newClassName+= value;
		element.className = newClassName;
	}
}

addLoadEvent(stripeTables);