Jquery get parameter value

http://www.sitepoint.com/url-parameters-jquery/

$.urlParam('id') ==>

$.urlParam = function(name){
var results = new RegExp('[\?&]' + name + '=([^&#]*)').exec(window.location.href);
if (results==null){
return null;
}else{
return results[1] || 0;
}
}

$.urlParam = function(name){
var results = new RegExp('[\?&]' + name + '=([^&#]*)').exec(window.location.href);
if (results==null){
return null;
}else{
return results[1] || 0;
}
}