function getValue(url, name) {
 var reg = new RegExp('(\?|&)' + name + '=([^&?]*)', 'i');
 var arr = url.match(reg);

 if (arr) {
  return arr[2];
 }

 return null;
}

function getQueryString(name) {    
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");    
var r = window.location.search.

這樣呼叫：

alert(GetQueryString("引數名1"));
alert(GetQueryString("引數名2"));
alert(GetQueryString("引數名3"));

function getKeyValue(url) {
 var result = {};
 var reg = new RegExp('([\?|&])(.+?)=([^&?]*)', 'ig');
 var arr = reg.exec(url);

 while (arr) {
  result[arr[2]] = arr[3];

  arr = reg.exec(url);
 }

 return result;
}

function getKeyValue($url) {
 $result = array();
 $mr = preg_match_all('/(?|&)(.+?)=([^&?]*)/i', $url, $matchs);

 if ($mr !== FALSE) {
  for ($i = 0; $i < $mr; $i++) {
   $result[$matchs[2][$i]] = $matchs[3][$i];
  }
 }

 return $result;
}