function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}


addLoadEvent(function() {
	var t = document.getElementsByTagName("table");
	for (var i=0; i<t.length; i++) {
		if (t[i].className == "striped") {
			var trs = t[i].getElementsByTagName("tr");
			for (var j=0; j<trs.length; j++) {
				if (j%2 == 1){} 
				else {trs[j].className+="ruled";}
			}
		}		
	}
})