var labelType, useGradients, nativeTextSupport, animate;

(function() {
  var ua = navigator.userAgent,
	  iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i),
	  typeOfCanvas = typeof HTMLCanvasElement,
	  nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'),
	  textSupport = nativeCanvasSupport 
		&& (typeof document.createElement('canvas').getContext('2d').fillText == 'function');
  //I'm setting this based on the fact that ExCanvas provides text support for IE
  //and that as of today iPhone/iPad current text support is lame
  labelType = (!nativeCanvasSupport || (textSupport && !iStuff))? 'Native' : 'HTML';
  nativeTextSupport = labelType == 'Native';
  useGradients = nativeCanvasSupport;
  animate = !(iStuff || !nativeCanvasSupport);
})();

var Log = {
  elem: false,
  write: function(text){
	if (!this.elem) 
	  this.elem = document.getElementById('log');
	this.elem.innerHTML = text;
	this.elem.style.left = (500 - this.elem.offsetWidth / 2) + 'px';
  }
};


function init(){
  //init data
  var json = {
	"children": [
	 
	 {
	   "data":{"cap":"€1,681,659,000","sec": "No","$area": 1681658624,"$color":"#152954"}, 
	   "id": "Statoil Fuel & Retail As", 
	   "name": "Statoil Fuel & Retail As"
	 },	 
	 {
	   "data":{"cap":"€73,615,000","sec": "No","$area": 73615192,"$color":"#192C52"}, 
	   "id": "Interoil Exploration And Pro", 
	   "name": "Interoil Exploration And Pro"
	 },	 
	 {
	   "data":{"cap":"€618,033,000","sec": "No","$area": 618032896,"$color":"#1B2B3B"}, 
	   "id": "Bonheur Asa", 
	   "name": "Bonheur Asa"
	 },	 
	 {
	   "data":{"cap":"€252,158,000","sec": "No","$area": 252157760,"$color":"#142F3A"}, 
	   "id": "Sd Standard Drilling Plc", 
	   "name": "Sd Standard Drilling Plc"
	 },	 
	 {
	   "data":{"cap":"€81,915,000","sec": "No","$area": 81915344,"$color":"#162852"}, 
	   "id": "Bridge Energy Asa", 
	   "name": "Bridge Energy Asa"
	 },	 
	 {
	   "data":{"cap":"€38,076,000","sec": "No","$area": 38075652,"$color":"#143244"}, 
	   "id": "Badger Explorer Asa", 
	   "name": "Badger Explorer Asa"
	 },	 
	 {
	   "data":{"cap":"€24,163,000","sec": "No","$area": 24163424,"$color":"#143234"}, 
	   "id": "Norse Energy Corp Asa", 
	   "name": "Norse Energy Corp Asa"
	 },	 
	 {
	   "data":{"cap":"€5,459,000","sec": "No","$area": 5459213,"$color":"#1E2E39"}, 
	   "id": "Seabird Exploration Plc", 
	   "name": "Seabird Exploration Plc"
	 },	 
	 {
	   "data":{"cap":"€173,877,000","sec": "No","$area": 173876848,"$color":"#1B2A5B"}, 
	   "id": "Panoro Energy Asa", 
	   "name": "Panoro Energy Asa"
	 },	 
	 {
	   "data":{"cap":"€14,467,000","sec": "No","$area": 14467430,"$color":"#192F49"}, 
	   "id": "Reservoir Exploration Tech", 
	   "name": "Reservoir Exploration Tech"
	 },	 
	 {
	   "data":{"cap":"€1,838,923,000","sec": "No","$area": 1838922624,"$color":"#1C303E"}, 
	   "id": "Fred Olsen Energy Asa", 
	   "name": "Fred Olsen Energy Asa"
	 },	 
	 {
	   "data":{"cap":"€420,981,000","sec": "No","$area": 420980672,"$color":"#1D2833"}, 
	   "id": "Songa Offshore Se", 
	   "name": "Songa Offshore Se"
	 },	 
	 {
	   "data":{"cap":"€38,106,000","sec": "No","$area": 38106464,"$color":"#192A4F"}, 
	   "id": "North Energy Asa", 
	   "name": "North Energy Asa"
	 },	 
	 {
	   "data":{"cap":"€212,864,000","sec": "No","$area": 212864176,"$color":"#18293A"}, 
	   "id": "Agr Group Asa", 
	   "name": "Agr Group Asa"
	 },	 
	 {
	   "data":{"cap":"€417,625,000","sec": "No","$area": 417625216,"$color":"#172A47"}, 
	   "id": "Solstad Offshore Asa", 
	   "name": "Solstad Offshore Asa"
	 },	 
	 {
	   "data":{"cap":"€1,363,680,000","sec": "No","$area": 1363680384,"$color":"#162B53"}, 
	   "id": "Prosafe Se", 
	   "name": "Prosafe Se"
	 },	 
	 {
	   "data":{"cap":"€253,492,000","sec": "No","$area": 253492000,"$color":"#162860"}, 
	   "id": "Sevan Drilling As", 
	   "name": "Sevan Drilling As"
	 },	 
	 {
	   "data":{"cap":"€113,717,000","sec": "No","$area": 113716800,"$color":"#1B304B"}, 
	   "id": "Eidesvik Offshore Asa", 
	   "name": "Eidesvik Offshore Asa"
	 },	 
	 {
	   "data":{"cap":"€1,936,566,000","sec": "No","$area": 1936566016,"$color":"#1A3246"}, 
	   "id": "Tgs Nopec Geophysical Co Asa", 
	   "name": "Tgs Nopec Geophysical Co Asa"
	 },	 
	 {
	   "data":{"cap":"€48,143,000","sec": "No","$area": 48142744,"$color":"#16294D"}, 
	   "id": "Wentworth Resources Ltd", 
	   "name": "Wentworth Resources Ltd"
	 },	 
	 {
	   "data":{"cap":"€106,047,000","sec": "No","$area": 106047248,"$color":"#1B2B55"}, 
	   "id": "Spectrum Asa", 
	   "name": "Spectrum Asa"
	 },	 
	 {
	   "data":{"cap":"€86,322,000","sec": "No","$area": 86321688,"$color":"#1B3253"}, 
	   "id": "Havila Shipping Asa", 
	   "name": "Havila Shipping Asa"
	 },	 
	 {
	   "data":{"cap":"€11,517,000","sec": "No","$area": 11516902,"$color":"#1B285C"}, 
	   "id": "Petrolia Asa", 
	   "name": "Petrolia Asa"
	 },	 
	 {
	   "data":{"cap":"€30,608,000","sec": "No","$area": 30607806,"$color":"#1D2D41"}, 
	   "id": "Transeuro Energy Corp <sup>*</sup>", 
	   "name": "Transeuro Energy Corp <sup>*</sup>"
	 },	 
	 {
	   "data":{"cap":"&#8364;44,783,000","sec": "No","$area": 44783492,"$color":"#193158"}, 
	   "id": "Bergen Group As", 
	   "name": "Bergen Group As"
	 },	 
	 {
	   "data":{"cap":"&#8364;2,471,362,000","sec": "No","$area": 2471362048,"$color":"#1D2943"}, 
	   "id": "Aker Solutions Asa", 
	   "name": "Aker Solutions Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;89,296,000","sec": "No","$area": 89296112,"$color":"#152C5C"}, 
	   "id": "Intex Resources Asa", 
	   "name": "Intex Resources Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;135,547,000","sec": "No","$area": 135546976,"$color":"#172F5C"}, 
	   "id": "Questerre Energy Corp", 
	   "name": "Questerre Energy Corp"
	 },	 
	 {
	   "data":{"cap":"&#8364;197,578,000","sec": "No","$area": 197577520,"$color":"#1D2C3C"}, 
	   "id": "Norwegian Energy Co As", 
	   "name": "Norwegian Energy Co As"
	 },	 
	 {
	   "data":{"cap":"&#8364;2,002,703,000","sec": "No","$area": 2002703232,"$color":"#172B5B"}, 
	   "id": "Petroleum Geo-services", 
	   "name": "Petroleum Geo-services"
	 },	 
	 {
	   "data":{"cap":"&#8364;79,373,000","sec": "No","$area": 79373120,"$color":"#1A2954"}, 
	   "id": "Scana Industrier Asa", 
	   "name": "Scana Industrier Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;2,514,137,000","sec": "Yes","$area": 2514136832,"$color":"#009900"}, 
	   "id": "Golar Lng Ltd <sup>*</sup>", 
	   "name": "Golar Lng Ltd <sup>*</sup>"
	 },	 
	 {
	   "data":{"cap":"&#8364;416,000,000","sec": "No","$area": 415999616,"$color":"#193246"}, 
	   "id": "Electromagnetic Geoservices", 
	   "name": "Electromagnetic Geoservices"
	 },	 
	 {
	   "data":{"cap":"&#8364;98,183,000","sec": "No","$area": 98182656,"$color":"#1E2D59"}, 
	   "id": "Sevan Marine Asa", 
	   "name": "Sevan Marine Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;72,410,000","sec": "No","$area": 72410168,"$color":"#1D2C41"}, 
	   "id": "Discovery Offshore Sa", 
	   "name": "Discovery Offshore Sa"
	 },	 
	 {
	   "data":{"cap":"&#8364;13,240,412,000","sec": "Yes","$area": 13240412160,"$color":"#009900"}, 
	   "id": "Seadrill Ltd <sup>*</sup>", 
	   "name": "Seadrill Ltd <sup>*</sup>"
	 },	 
	 {
	   "data":{"cap":"&#8364;22,150,000","sec": "No","$area": 22149924,"$color":"#142B32"}, 
	   "id": "Cecon Asa", 
	   "name": "Cecon Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;62,206,681,000","sec": "Yes","$area": 62206681088,"$color":"#009900"}, 
	   "id": "Statoil Asa", 
	   "name": "Statoil Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;68,824,000","sec": "No","$area": 68823536,"$color":"#163254"}, 
	   "id": "Prospector Offshore Drilling", 
	   "name": "Prospector Offshore Drilling"
	 },	 
	 {
	   "data":{"cap":"&#8364;256,702,000","sec": "No","$area": 256701728,"$color":"#1D2B60"}, 
	   "id": "Northern Offshore Ltd", 
	   "name": "Northern Offshore Ltd"
	 },	 
	 {
	   "data":{"cap":"&#8364;86,439,000","sec": "No","$area": 86439264,"$color":"#182F4C"}, 
	   "id": "Eoc Ltd", 
	   "name": "Eoc Ltd"
	 },	 
	 {
	   "data":{"cap":"&#8364;101,951,000","sec": "No","$area": 101950664,"$color":"#193049"}, 
	   "id": "Fred Olsen Production Asa", 
	   "name": "Fred Olsen Production Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;322,083,000","sec": "No","$area": 322083168,"$color":"#163032"}, 
	   "id": "Dof Asa", 
	   "name": "Dof Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;282,106,000","sec": "No","$area": 282105920,"$color":"#1D305A"}, 
	   "id": "Northland Resources Sa <sup>*</sup>", 
	   "name": "Northland Resources Sa <sup>*</sup>"
	 },	 
	 {
	   "data":{"cap":"&#8364;283,642,000","sec": "No","$area": 283641760,"$color":"#192C61"}, 
	   "id": "Dockwise Ltd", 
	   "name": "Dockwise Ltd"
	 },	 
	 {
	   "data":{"cap":"&#8364;619,000","sec": "No","$area": 619395,"$color":"#1E2E60"}, 
	   "id": "Nexus Floating Production", 
	   "name": "Nexus Floating Production"
	 },	 
	 {
	   "data":{"cap":"&#8364;92,488,000","sec": "No","$area": 92487752,"$color":"#1E2C4E"}, 
	   "id": "Rem Offshore Asa", 
	   "name": "Rem Offshore Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;8,290,699,000","sec": "No","$area": 8290698752,"$color":"#17305B"}, 
	   "id": "Norsk Hydro Asa", 
	   "name": "Norsk Hydro Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;5,499,610,000","sec": "No","$area": 5499609600,"$color":"#1E2C36"}, 
	   "id": "Subsea 7 Sa", 
	   "name": "Subsea 7 Sa"
	 },	 
	 {
	   "data":{"cap":"&#8364;795,487,000","sec": "No","$area": 795487424,"$color":"#1A3142"}, 
	   "id": "Bw Offshore Ltd", 
	   "name": "Bw Offshore Ltd"
	 },	 
	 {
	   "data":{"cap":"","sec": "No","$area": 1,"$color":"#1E2848"}, 
	   "id": "Dannemora Mineral Ab <sup>*</sup>", 
	   "name": "Dannemora Mineral Ab <sup>*</sup>"
	 },	 
	 {
	   "data":{"cap":"&#8364;1,484,813,000","sec": "No","$area": 1484812928,"$color":"#1C3162"}, 
	   "id": "Det Norske Oljeselskap Asa", 
	   "name": "Det Norske Oljeselskap Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;20,833,000","sec": "No","$area": 20833060,"$color":"#172C3E"}, 
	   "id": "Rocksource Asa", 
	   "name": "Rocksource Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;460,665,000","sec": "No","$area": 460664864,"$color":"#182B46"}, 
	   "id": "Siem Offshore Inc", 
	   "name": "Siem Offshore Inc"
	 },	 
	 {
	   "data":{"cap":"&#8364;114,452,000","sec": "No","$area": 114451920,"$color":"#192C55"}, 
	   "id": "Asia Offshore Drilling Ltd", 
	   "name": "Asia Offshore Drilling Ltd"
	 },	 
	 {
	   "data":{"cap":"&#8364;14,858,000","sec": "No","$area": 14858211,"$color":"#192F56"}, 
	   "id": "Ige Resources Ab", 
	   "name": "Ige Resources Ab"
	 },	 
	 {
	   "data":{"cap":"&#8364;24,604,000","sec": "No","$area": 24604434,"$color":"#1E3252"}, 
	   "id": "Nordic Mining Asa", 
	   "name": "Nordic Mining Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;1,115,929,000","sec": "No","$area": 1115929088,"$color":"#18305B"}, 
	   "id": "Dno International Asa", 
	   "name": "Dno International Asa"
	 },	 
	 {
	   "data":{"cap":"","sec": "No","$area": 1,"$color":"#1B304A"}, 
	   "id": "Mosvold Jackup Ltd <sup>*</sup>", 
	   "name": "Mosvold Jackup Ltd <sup>*</sup>"
	 },	 
	 {
	   "data":{"cap":"&#8364;678,634,000","sec": "No","$area": 678634240,"$color":"#1E2B37"}, 
	   "id": "Archer Ltd", 
	   "name": "Archer Ltd"
	 },	 
	 {
	   "data":{"cap":"","sec": "No","$area": 1,"$color":"#1A2D3B"}, 
	   "id": "Nordic Mining Asa-rts <sup>*</sup>", 
	   "name": "Nordic Mining Asa-rts <sup>*</sup>"
	 },	 
	 {
	   "data":{"cap":"&#8364;9,806,000","sec": "No","$area": 9805669,"$color":"#1B3041"}, 
	   "id": "Oceanteam Shipping Asa", 
	   "name": "Oceanteam Shipping Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;811,566,000","sec": "No","$area": 811566144,"$color":"#142C52"}, 
	   "id": "Farstad Shipping", 
	   "name": "Farstad Shipping"
	 },	 
	 {
	   "data":{"cap":"&#8364;132,799,000","sec": "No","$area": 132799136,"$color":"#152E41"}, 
	   "id": "Awilco Drilling Plc", 
	   "name": "Awilco Drilling Plc"
	 },	 
	 {
	   "data":{"cap":"&#8364;370,849,000","sec": "No","$area": 370849344,"$color":"#15305B"}, 
	   "id": "Kvaerner Asa", 
	   "name": "Kvaerner Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;8,870,000","sec": "No","$area": 8870002,"$color":"#1C3157"}, 
	   "id": "Aker Floating Production Asa", 
	   "name": "Aker Floating Production Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;490,934,000","sec": "No","$area": 490934272,"$color":"#1A305C"}, 
	   "id": "Ganger Rolf Asa", 
	   "name": "Ganger Rolf Asa"
	 },	 
	 {
	   "data":{"cap":"&#8364;528,374,000","sec": "No","$area": 528373984,"$color":"#1A303D"}, 
	   "id": "Avocet Mining Plc <sup>*</sup>", 
	   "name": "Avocet Mining Plc <sup>*</sup>"
	 }
   ] 
   };
  //end
  //init TreeMap
  var tm = new $jit.TM.Squarified({
	//where to inject the visualization
	injectInto: 'infovis',

	//parent box title heights
	titleHeight: 0,
	//enable animations
	animate: false,
	//box offsets
	offset: 1,
	//Attach left and right click events
	Events: { enable: false },
	duration: 1000,
	//Enable tips
	Tips: {
	  enable: true,
	  //add positioning offsets
	  offsetX: 20,
	  offsetY: 20,
	  //implement the onShow method to
	  //add content to the tooltip when a node
	  //is hovered
	  onShow: function(tip, node, isLeaf, domElement) {
		var html = "<div class=\"tip-title\">" + node.name 
		  + "</div><div class=\"tip-text\">";
		var data = node.data;
		if(data.cap) {
		  html += "Market Cap: " + data.cap;
		}
		if(data.sec) {
		  html += "<br />SEC Coverage: " + data.sec;
		}
		tip.innerHTML =  html; 
	  }  
	},
	//Add the name of the node in the correponding label
	//This method is called once, on label creation.
	onCreateLabel: function(domElement, node){
//		if (node.data.$width > 10) {
			domElement.innerHTML = node.name;
//		}
		var style = domElement.style;
		style.display = '';
		style.border = '1px solid transparent';
		domElement.onmouseover = function() {
		  style.border = '1px solid #9FD4FF';
		};
		domElement.onmouseout = function() {
		  style.border = '1px solid transparent';
		};
	}
  });
  tm.loadJSON(json);
  tm.refresh();
  //end
  //add events to radio buttons
  var sq = $jit.id('r-sq'),
	  st = $jit.id('r-st'),
	  sd = $jit.id('r-sd');
  var util = $jit.util;
  util.addEvent(sq, 'change', function() {
	if(!sq.checked) return;
	util.extend(tm, new $jit.Layouts.TM.Squarified);
	tm.refresh();
  });
  util.addEvent(st, 'change', function() {
	if(!st.checked) return;
	util.extend(tm, new $jit.Layouts.TM.Strip);
	tm.layout.orientation = "v";
	tm.refresh();
  });
  util.addEvent(sd, 'change', function() {
	if(!sd.checked) return;
	util.extend(tm, new $jit.Layouts.TM.SliceAndDice);
	tm.layout.orientation = "v";
	tm.refresh();
  });
  //add event to the back button
  var back = $jit.id('back');
  $jit.util.addEvent(back, 'click', function() {
	tm.out();
  });
}