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