if ($.inArray(site, this.sites) == -1) {
this.sites.push(site);
this.nodes[site] = [];
}
this.nodes[site].push(node);
} else {
if ($.inArray(site, this.sites) == -1) {
this.sites.push(site);
this.nodes[site] = [];
}
this.nodes[site].push(node);
} else {