//URL参数
function Request(m) {
var sValue = location.search.match(new RegExp("[\?\&]" + m + "=([^\&]*)(\&?)", "i"));
return sValue ? sValue[1] : sValue;
}
function UrlUpdateParams (url, name, value) {
var r = url;
if(r != null && r != 'undefined' && r != "") {
value = encodeURIComponent(value);
var reg = new RegExp("(^|)" + name + "=([^&]*)(|$)");
var tmp = name + "=" + value;
if(url.match(reg) != null) {
r = url.replace(eval(reg), tmp);
} else {
if(url.match("[\?]")) {
r = url + "&" + tmp;
} else {
r = url + "?" + tmp;
}
}
}
return r;
}