function getQuery(){
    var s = location.search;
    var params=Array();
    if ( s.length > 0 ) {
        s=s.split('?');
        s=s[1];
        s=s.split('&');
        for(i=0;i<s.length;i++){
            params.push( s[i].split('=') );
        }
    }
    return params;
}

Enjoy, and if you find anything to add or remove, don't hesitate to let me know in the comments!