// make GET-Params accessible in JS
(function(){
	window.getparams = {};
    var s = window.location.search.substring(1).split('&');
    if(!s.length) return;
    for(var i  = 0; i < s.length; i++) {
        var parts = s[i].split('=');
        window.getparams[unescape(parts[0])] = unescape(parts[1]);
    }
}())

//use: window.getparams['id']

get paramt

get params in JS

JavaScript