修正IE下document.getElementsByName无法获取DIV标签

/**
 * 修正IE下document.getElementsByName无法获取DIV标签
 * */
function getElementsByName(tag, name){
	var returns = document.getElementsByName(name);
	if (returns.length > 0)
		return returns;
	returns = new Array();
	var e = document.getElementsByTagName(tag);
	alert(e.length);
	for (var i = 0; i < e.length; i++) {
		if (e[i].getAttribute("name") == name) {
			returns[returns.length] = e[i];
		}
	}
return returns;
}