javascript取得地址栏参数

 javascript取得地址栏参数

 //paramName为参数名
function GetAddressParamValue(paramName)
{
 var paramText = window.location.search;
 paramText = paramText.substring(1,paramText.length);
 var paramArray = paramText.split('&');
 for (var i=0;i<paramArray.length;i++)
 {
  var sParam = paramArray[i];
  if (sParam.indexOf(paramName + "=") != -1)
  {
   var paramLen = paramName.length + 1;
   return sParam.substring(paramLen,sParam.length);     
  }
  else
  {
   continue;
  }
 }
 return "";
}