trackInfo = 
[
   {
      "args" : {
         "chunkSize" : 20000
      },
      "url" : "seq/{refseq}/",
      "type" : "SequenceTrack",
      "label" : "DNA",
      "key" : "DNA"
   },
   {
      "url" : "tracks/{refseq}/cytoBandIdeo/trackData.json",
      "type" : "FeatureTrack",
      "label" : "cytoBandIdeo",
      "key" : "Chromosome Band (Ideogram)"
   },
   {
      "url" : "tracks/{refseq}/bacEndPairs/trackData.json",
      "type" : "FeatureTrack",
      "label" : "bacEndPairs",
      "key" : "BAC End Pairs"
   },
   {
      "url" : "tracks/{refseq}/ccdsGene/trackData.json",
      "label" : "ccdsGene",
      "type" : "FeatureTrack",
      "key" : "CCDS"
   },
   {
      "url" : "tracks/{refseq}/cpgIslandExt/trackData.json",
      "type" : "FeatureTrack",
      "label" : "cpgIslandExt",
      "key" : "CpG Islands"
   },
   {
      "url" : "tracks/{refseq}/cytoBand/trackData.json",
      "label" : "cytoBand",
      "type" : "FeatureTrack",
      "key" : "Chromosome Band"
   },
   {
      "url" : "tracks/{refseq}/dgv/trackData.json",
      "type" : "FeatureTrack",
      "label" : "dgv",
      "key" : "DGV Struct Var"
   },
   {
      "url" : "tracks/{refseq}/ensGene/trackData.json",
      "label" : "ensGene",
      "type" : "FeatureTrack",
      "key" : "Ensembl Genes"
   },
   {
      "url" : "tracks/{refseq}/gap/trackData.json",
      "type" : "FeatureTrack",
      "label" : "gap",
      "key" : "Gap"
   },
   {
      "url" : "tracks/{refseq}/geneid/trackData.json",
      "label" : "geneid",
      "type" : "FeatureTrack",
      "key" : "Geneid Genes"
   },
   {
      "url" : "tracks/{refseq}/genomicSuperDups/trackData.json",
      "type" : "FeatureTrack",
      "label" : "genomicSuperDups",
      "key" : "Segmental Dups"
   },
   {
      "url" : "tracks/{refseq}/gold/trackData.json",
      "label" : "gold",
      "type" : "FeatureTrack",
      "key" : "Assembly"
   },
   {
      "url" : "tracks/{refseq}/gwasCatalog/trackData.json",
      "label" : "gwasCatalog",
      "type" : "FeatureTrack",
      "key" : "GWAS Catalog"
   },
   {
      "url" : "tracks/{refseq}/hgIkmc/trackData.json",
      "label" : "hgIkmc",
      "type" : "FeatureTrack",
      "key" : "IKMC Genes Mapped"
   },
   {
      "url" : "tracks/{refseq}/hinv70Coding/trackData.json",
      "label" : "hinv70Coding",
      "type" : "FeatureTrack",
      "key" : "H-Inv genes"
   },
   {
      "url" : "tracks/{refseq}/hinv70NonCoding/trackData.json",
      "type" : "FeatureTrack",
      "label" : "hinv70NonCoding",
      "key" : "H-Inv non-coding"
   },
   {
      "url" : "tracks/{refseq}/hinv70PseudoGene/trackData.json",
      "label" : "hinv70PseudoGene",
      "type" : "FeatureTrack",
      "key" : "H-Inv pseudo-genes"
   },
   {
      "url" : "tracks/{refseq}/knownAlt/trackData.json",
      "label" : "knownAlt",
      "type" : "FeatureTrack",
      "key" : "Alt Events"
   },
   {
      "url" : "tracks/{refseq}/knownGene/trackData.json",
      "type" : "FeatureTrack",
      "label" : "knownGene",
      "key" : "UCSC Genes"
   },
   {
      "url" : "tracks/{refseq}/nestedRepeats/trackData.json",
      "label" : "nestedRepeats",
      "type" : "FeatureTrack",
      "key" : "Interrupted Rpts"
   },
   {
      "url" : "tracks/{refseq}/nscanGene/trackData.json",
      "type" : "FeatureTrack",
      "label" : "nscanGene",
      "key" : "N-SCAN"
   },
   {
      "url" : "tracks/{refseq}/pgNA12878/trackData.json",
      "label" : "pgNA12878",
      "type" : "FeatureTrack",
      "key" : "CEU daught '2878"
   },
   {
      "url" : "tracks/{refseq}/pgNA12891/trackData.json",
      "type" : "FeatureTrack",
      "label" : "pgNA12891",
      "key" : "CEU father '2891"
   },
   {
      "url" : "tracks/{refseq}/pgNA19240/trackData.json",
      "label" : "pgNA19240",
      "type" : "FeatureTrack",
      "key" : "YRI daught '9240"
   },
   {
      "url" : "tracks/{refseq}/pgSjk/trackData.json",
      "type" : "FeatureTrack",
      "label" : "pgSjk",
      "key" : "SJK"
   },
   {
      "url" : "tracks/{refseq}/pgVenter/trackData.json",
      "label" : "pgVenter",
      "type" : "FeatureTrack",
      "key" : "Venter"
   },
   {
      "url" : "tracks/{refseq}/pgWatson/trackData.json",
      "type" : "FeatureTrack",
      "label" : "pgWatson",
      "key" : "Watson"
   },
   {
      "url" : "tracks/{refseq}/pgYh1/trackData.json",
      "label" : "pgYh1",
      "type" : "FeatureTrack",
      "key" : "YanHuang"
   },
   {
      "url" : "tracks/{refseq}/pgYoruban3/trackData.json",
      "type" : "FeatureTrack",
      "label" : "pgYoruban3",
      "key" : "YRI NA18507"
   },
   {
      "url" : "tracks/{refseq}/sgpGene/trackData.json",
      "label" : "sgpGene",
      "type" : "FeatureTrack",
      "key" : "SGP Genes"
   },
   {
      "url" : "tracks/{refseq}/simpleRepeat/trackData.json",
      "type" : "FeatureTrack",
      "label" : "simpleRepeat",
      "key" : "Simple Repeats"
   },
   {
      "url" : "tracks/{refseq}/stsMap/trackData.json",
      "label" : "stsMap",
      "type" : "FeatureTrack",
      "key" : "STS Markers"
   },
   {
      "url" : "tracks/{refseq}/tRNAs/trackData.json",
      "type" : "FeatureTrack",
      "label" : "tRNAs",
      "key" : "tRNA Genes"
   },
   {
      "url" : "tracks/{refseq}/vegaGene/trackData.json",
      "type" : "FeatureTrack",
      "label" : "vegaGene",
      "key" : "Vega Protein Genes"
   },
   {
      "url" : "tracks/{refseq}/vegaPseudoGene/trackData.json",
      "type" : "FeatureTrack",
      "label" : "vegaPseudoGene",
      "key" : "Vega Pseudogenes"
   },
   {
      "url" : "tracks/{refseq}/wgEncodeGencode2wayConsPseudoV4/trackData.json",
      "label" : "wgEncodeGencode2wayConsPseudoV4",
      "type" : "FeatureTrack",
      "key" : "Gencode Pseudo"
   },
   {
      "url" : "tracks/{refseq}/wgEncodeGencodeAutoV4/trackData.json",
      "label" : "wgEncodeGencodeAutoV4",
      "type" : "FeatureTrack",
      "key" : "Gencode Auto"
   },
   {
      "url" : "tracks/{refseq}/wgEncodeGencodeManualV4/trackData.json",
      "label" : "wgEncodeGencodeManualV4",
      "type" : "FeatureTrack",
      "key" : "Gencode Manual"
   },
   {
      "url" : "tracks/{refseq}/wgEncodeGencodePolyaV4/trackData.json",
      "type" : "FeatureTrack",
      "label" : "wgEncodeGencodePolyaV4",
      "key" : "Gencode PolyA"
   },
   {
      "url" : "tracks/{refseq}/xenoRefGene/trackData.json",
      "type" : "FeatureTrack",
      "label" : "xenoRefGene",
      "key" : "Other RefSeq"
   },
   {
      "url" : "tracks/{refseq}/phastConsElements46way/trackData.json",
      "type" : "FeatureTrack",
      "label" : "phastConsElements46way",
      "key" : "Vertebrate El"
   },
   {
      "url" : "tracks/{refseq}/phastConsElements46wayPlacental/trackData.json",
      "label" : "phastConsElements46wayPlacental",
      "type" : "FeatureTrack",
      "key" : "Mammal El"
   },
   {
      "url" : "tracks/{refseq}/phastConsElements46wayPrimates/trackData.json",
      "type" : "FeatureTrack",
      "label" : "phastConsElements46wayPrimates",
      "key" : "Primate El"
   },
   {
      "url" : "tracks/{refseq}/pgNA12892/trackData.json",
      "type" : "FeatureTrack",
      "label" : "pgNA12892",
      "key" : "CEU mother '2892"
   },
   {
      "url" : "tracks/{refseq}/refGene/trackData.json",
      "label" : "refGene",
      "type" : "FeatureTrack",
      "key" : "RefSeq Genes"
   },
   {
      "url" : "tracks/{refseq}/exoniphy/trackData.json",
      "type" : "FeatureTrack",
      "label" : "exoniphy",
      "key" : "Exoniphy"
   },
   {
      "url" : "tracks/{refseq}/burgeRnaSeqGemMapperAlignBT474/trackData.json",
      "type" : "FeatureTrack",
      "label" : "burgeRnaSeqGemMapperAlignBT474",
      "key" : "RNA-seq BT474"
   },
   {
      "url" : "tracks/{refseq}/snp131/trackData.json",
      "label" : "snp131",
      "type" : "FeatureTrack",
      "key" : "SNPs (131)"
   },
   {
      "url" : "tracks/{refseq}/snp132/trackData.json",
      "type" : "FeatureTrack",
      "label" : "snp132",
      "key" : "All SNPs(132)"
   }
]