//tableストリップ表示
function setStripedTable(){
	var conf = {
		className : 'striped',
		childNodeName : 'tr',
		oddClassName : 'lightcell',
		evenClassName : 'darkcell'
	};
	var tables = $A(document.getElementsByClassName(conf.className));
	tables.each(function (table){
		var lines = $A(table.getElementsByTagName(conf.childNodeName));
		lines.each(function (tr, row){
			if(row%2==0) {
				tr.className = conf.oddClassName;
			} else {
				tr.className = conf.evenClassName;
			}
		});
	});
}
Event.observe(window, 'load', setStripedTable, false);