GUIDE
					- Left-click and drag the background to move the graph
 - Left-click and drag the nodes to reorganize
 - Left-click a node to view first level connections
 - Double left-click a node to navigate to its page
 - Double left-click the background to zoom in
 - Right-click the background to zoom out
 
					// graph team
sigma.utils.pkg('sigma.canvas.nodes');
sigma.canvas.nodes.image = (function() {
  var _cache = {},
      _loading = {},
      _callbacks = {};
  // Return the renderer itself:
  var renderer = function(node, context, settings) {
    var args = arguments,
        prefix = settings('prefix') || '',
        size = node[prefix + 'size'],
        color = node.color || settings('defaultNodeColor'),
        url = node.url;
    if (_cache[url]) {
      context.save();
      // Draw the clipping disc:
      context.beginPath();
      context.arc(
        node[prefix + 'x'],
        node[prefix + 'y'],
        node[prefix + 'size'],
        0,
        Math.PI * 2,
        true
      );
      context.closePath();
      context.clip();
      // Draw the image
      context.drawImage(
        _cache[url],
        node[prefix + 'x'] - size,
        node[prefix + 'y'] - size,
        2 * size,
        2 * size
      );
      // Quit the "clipping mode":
      context.restore();
      // Draw the border:
      context.beginPath();
      context.arc(
        node[prefix + 'x'],
        node[prefix + 'y'],
        node[prefix + 'size'],
        0,
        Math.PI * 2,
        true
      );
      context.lineWidth = 1;
      context.strokeStyle = node.color || settings('defaultNodeColor');
      context.stroke();
    } else {
      sigma.canvas.nodes.image.cache(url);
      sigma.canvas.nodes.def.apply(
        sigma.canvas.nodes,
        args
      );
    }
  };
  // Let's add a public method to cache images, to make it possible to
  // preload images before the initial rendering:
  renderer.cache = function(url, callback) {
    if (callback)
      _callbacks[url] = callback;
    if (_loading[url])
      return;
    var img = new Image();
    img.onload = function() {
      _loading[url] = false;
      _cache[url] = img;
      if (_callbacks[url]) {
        _callbacks[url].call(this, img);
        delete _callbacks[url];
      }
    };
    _loading[url] = true;
    img.src = url;
  };
  return renderer;
})();
var i,
    s,
    o,
    offset_left = 0.5,
    N = 1,
    E = 40,
    C = 5,
    d = 0.5,
    cs = [],
    g = {
      nodes: [],
      edges: []
    };
if (!sigma.classes.graph.hasMethod('neighbors')){
sigma.classes.graph.addMethod('neighbors', function(nodeId) {
    var k,
        neighbors = {},
        index = this.allNeighborsIndex[nodeId] || {};
    for (k in index)
      neighbors[k] = this.nodesIndex[k];
    return neighbors;
  });
  }
//adding the central node
g.nodes.push({
	id: 160171,
	label: 'Technologies and Gene Therapy for Deafness',
    type: 'image',
    url: '',
    x: 0,
    y: 0,
	size: 30,
	color: '#DDDDDD'
});
N=14
var x_node = Math.cos(2 * 0 * Math.PI / N) * 2;
var y_node = Math.sin(2 * 0 * Math.PI / N) * 2;
var biggest_node_size = 0;
	//check if content already exist
	
		x_site = Math.cos(2 * 0 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 0 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 164779,
			label: 'Marie Jose Lecomte',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/marie-jose-lecomte/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171164779,
      size: 0.5,
      source: 160171,
      target: 164779    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 1 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 1 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 164786,
			label: 'Ghizlene Lahlou',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/ghizlene-lahlou/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171164786,
      size: 0.5,
      source: 160171,
      target: 164786    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 2 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 2 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 164788,
			label: 'Maxence Cornille',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/maxence-cornille/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171164788,
      size: 0.5,
      source: 160171,
      target: 164788    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 3 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 3 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 164797,
			label: 'Jérôme Nevoux',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/sepideh-iranfar-2/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171164797,
      size: 0.5,
      source: 160171,
      target: 164797    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 4 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 4 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 164782,
			label: 'Baptiste Plion',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/baptiste-plion/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171164782,
      size: 0.5,
      source: 160171,
      target: 164782    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 5 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 5 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 164847,
			label: 'Sepideh Iranfar',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/sepideh-iranfar-3/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171164847,
      size: 0.5,
      source: 160171,
      target: 164847    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 6 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 6 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 164867,
			label: 'Evelyne Ferrary',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/evelyne-ferrary/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171164867,
      size: 0.5,
      source: 160171,
      target: 164867    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 7 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 7 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 164869,
			label: 'Victor Renato Torres Lazo',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/victor-torres-lazo/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171164869,
      size: 0.5,
      source: 160171,
      target: 164869    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 8 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 8 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 174783,
			label: 'Mauricio Saenz Roldan',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/mauricio-saenz-roldan/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171174783,
      size: 0.5,
      source: 160171,
      target: 174783    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 9 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 9 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 174791,
			label: 'Hannah Daoudi',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/hannah-daoudi/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171174791,
      size: 0.5,
      source: 160171,
      target: 174791    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 10 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 10 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 191060,
			label: 'Hélène Le Ribeuz',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/helene-le-ribeuz/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171191060,
      size: 0.5,
      source: 160171,
      target: 191060    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 11 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 11 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 214790,
			label: 'Amel Saoudi',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/amel-saoudi/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171214790,
      size: 0.5,
      source: 160171,
      target: 214790    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 12 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 12 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 205151,
			label: 'Najate Benamer',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/najate-benamer/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 160171205151,
      size: 0.5,
      source: 160171,
      target: 205151    });
			
	//check if content already exist
	
		x_site = Math.cos(2 * 13 * Math.PI / N) * 2;
		y_site = Math.sin(2 * 13 * Math.PI / N) * 2;
		// adding site
		g.nodes.push({
			id: 4659,
			label: 'Saaid Safieddine',
		    type: 'image',
		    url: '',
		    page_url: 'https://research.pasteur.fr/en/member/saaid-safieddine/',
		    x: x_site,
		    y: y_site,
			size: 16,
			color: '#DDDDDD'
		});
    
	//link to content
    g.edges.push({
      id: 1601714659,
      size: 0.5,
      source: 160171,
      target: 4659    });
			
// update positions
x_node = Math.cos(2 * 0 * Math.PI / N) * 10;
y_node = Math.sin(2 * 0 * Math.PI / N) * 10;
N=2
	// adding node
	var x_node = Math.cos(2 * 0 * Math.PI / N) * 10;
	var y_node = Math.sin(2 * 0 * Math.PI / N) * 10;
	g.nodes.push({
		id: 160139,
		label: 'DEPARTMENT: Hearing Institute – Institut Pasteur Center',
	    x: x_node,
	    y: y_node,
	    type: 'image',
	    url: '',
	    page_url: 'https://research.pasteur.fr/en/department/hearing-institute-institut-pasteur-center/',
		size: 24,
		color: '#DDDDDD'
	});
	//link content to central post
    g.edges.push({
      id: 160171160139,
      size: 0.5,
      source: 160171,
      target: 160139    });
	
	
	
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 173181,
					label: 'Anne-Lise Giraud',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2022/01/research_pasteur-anne-lise-giraud-alg-150x150.jpg',
		    		page_url: 'https://research.pasteur.fr/en/member/anne-lise-mamessier-giraud/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 160139173181,
		      	size: 0.5,
		      	source: 160139,
		      	target: 173181		    	});
	
								
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 188718,
					label: 'Anne-Dominique Lodeho-Devauchelle',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2022/10/research_pasteur-anne-dominique-lodeho-devauchelle-photoadlodeho-201903-recadree2-150x150.jpg',
		    		page_url: 'https://research.pasteur.fr/en/member/anne-dominique-lodeho-devauchelle/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 160139188718,
		      	size: 0.5,
		      	source: 160139,
		      	target: 188718		    	});
	
								
			
	
	
	// adding node
	var x_node = Math.cos(2 * 1 * Math.PI / N) * 10;
	var y_node = Math.sin(2 * 1 * Math.PI / N) * 10;
	g.nodes.push({
		id: 158469,
		label: 'PROGRAM_PROJECT: Brain connectivity and neurodegenerative diseases',
	    x: x_node,
	    y: y_node,
	    type: 'image',
	    url: 'https://research.pasteur.fr/wp-content/uploads/2021/05/research_pasteur-enbrain-connectivity-and-neurodegenerative-diseases-frmaladies-de-la-connectivite-cerebrale-et-maladies-neurodenegeratives-institutpasteur-fotolia-89243995-1400px-axe-neuro-150x150.jpeg',
	    page_url: 'https://research.pasteur.fr/en/program_project/brain-connectivity-and-neurodegenerative-diseases/',
		size: 24,
		color: '#DDDDDD'
	});
	//link content to central post
    g.edges.push({
      id: 160171158469,
      size: 0.5,
      source: 160171,
      target: 158469    });
	
	
	
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 4987,
					label: 'Chiara Zurzolo',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2018/11/research_pasteur-chiara-zurzolo-150x150.jpg',
		    		page_url: 'https://research.pasteur.fr/en/member/chiara-zurzolo/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 1584694987,
		      	size: 0.5,
		      	source: 158469,
		      	target: 4987		    	});
	
								
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 3801,
					label: 'Uwe Maskos',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2015/12/research.pasteur.fr_um_1-3-150x150.jpg',
		    		page_url: 'https://research.pasteur.fr/en/member/uwe-maskos/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 1584693801,
		      	size: 0.5,
		      	source: 158469,
		      	target: 3801		    	});
	
								
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 64150,
					label: 'Laure Bally-Cuif',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2016/04/research.pasteur.fr_laure_bally-cuiff-150x150.png',
		    		page_url: 'https://research.pasteur.fr/en/member/laure-bally-cuif/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 15846964150,
		      	size: 0.5,
		      	source: 158469,
		      	target: 64150		    	});
	
								
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 3770,
					label: 'Thomas Bourgeron',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2015/05/research.pasteur.fr_thomas-bourgeron-150x150.jpg',
		    		page_url: 'https://research.pasteur.fr/en/member/thomas-bourgeron/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 1584693770,
		      	size: 0.5,
		      	source: 158469,
		      	target: 3770		    	});
	
								
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 4225,
					label: 'Gérard Eberl',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2015/07/research.pasteur.fr_eberl-150x150.jpg',
		    		page_url: 'https://research.pasteur.fr/en/member/gerard-eberl/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 1584694225,
		      	size: 0.5,
		      	source: 158469,
		      	target: 4225		    	});
	
								
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 94979,
					label: 'Florent Haiss',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2017/09/research_pasteur-d41d84dda37815ca0f_l_c08c0-150x150.jpg',
		    		page_url: 'https://research.pasteur.fr/en/member/florent-haiss/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 15846994979,
		      	size: 0.5,
		      	source: 158469,
		      	target: 94979		    	});
	
								
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 3806,
					label: 'Pierre-Marie Lledo',
		    		type: 'image',
		    		url: 'https://research.pasteur.fr/wp-content/uploads/2015/05/research_pasteur-pierre-marie-lledo-lledo-pierre-marie-6653-copie-150x150.jpg',
		    		page_url: 'https://research.pasteur.fr/en/member/pierre-marie-lledo/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 1584693806,
		      	size: 0.5,
		      	source: 158469,
		      	target: 3806		    	});
	
								
			
					//check if content already exist
							
				
				if (x_node<0){
					x_site = x_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					x_site = x_node + ((Math.random() * 2)-1) + offset_left;
				}
	
				if (y_node<0){
					y_site = y_node + ((Math.random() * 2)-1) - offset_left;
				}else{
					y_site = y_node + ((Math.random() * 2)-1) + offset_left;
				}
	
	
				// adding site
				g.nodes.push({
					id: 4664,
					label: 'Nicolas Michalski',
		    		type: 'image',
		    		url: '',
		    		page_url: 'https://research.pasteur.fr/en/member/nicolas-michalski/',
		    		x: x_site,
		    		y: y_site,
					size: 10,
					color: '#DDDDDD'
				});
				
	
	    		
	    		//link to content
		    	g.edges.push({
		      	id: 1584694664,
		      	size: 0.5,
		      	source: 158469,
		      	target: 4664		    	});
	
								
			
	
	
var s = new sigma({
  //container: document.getElementById('graph-main'),
  graph: g,
  renderer: {
    // IMPORTANT:
    // This works only with the canvas renderer, so the
    // renderer type set as "canvas" is necessary here.
    container: document.getElementById('graph-main'),
    type: 'canvas'
  },
  settings: {
    minNodeSize: 12,
    maxNodeSize: 30,
    mouseWheelEnabled: false,
    font: 'Montserrat',
    labelThreshold:25,
    borderSize:1,
    defaultNodeBorderColor: '#333',
    sideMargin:25,
  }
});
// We first need to save the original colors of our
// nodes and edges, like this:
s.graph.nodes().forEach(function(n) {
	n.originalColor = n.color;
	//console.log(n.id);
	//console.log(s.graph.nodes(n.id));
});
s.graph.edges().forEach(function(e) {
	e.originalColor = e.color;
});
// When a node is clicked, we check for each node
// if it is a neighbor of the clicked one. If not,
// we set its color as grey, and else, it takes its
// original color.
// We do the same for the edges, and we only keep
// edges that have both extremities colored.
s.bind('clickNode', function(e) {
	var nodeId = e.data.node.id,
	    toKeep = s.graph.neighbors(nodeId);
	toKeep[nodeId] = e.data.node;
	s.graph.nodes().forEach(function(n) {
	  if (toKeep[n.id])
	    n.color = '#35a9f5';
	  else
	    n.color = '#dddddd';
	});
	s.graph.edges().forEach(function(e) {
	  if (toKeep[e.source] && toKeep[e.target])
	    e.color = '#35a9f5';
	  else
	    e.color = '#dddddd';
	});
	// Since the data has been modified, we need to
	// call the refresh method to make the colors
	// update effective.
	s.refresh();
});
// When the stage is clicked, we just color each
// node and edge with its original color.
s.bind('clickStage', function(e) {
	s.graph.nodes().forEach(function(n) {
	  n.color = n.originalColor;
	});
	s.graph.edges().forEach(function(e) {
	  e.color = e.originalColor;
	});
	// Same as in the previous event:
	s.refresh();
});
s.bind("doubleClickNode", function (e) {
	$("#canvas-wrap, .sigma-scene, .sigma-mouse").val();
	ajax_load_page( e.data.node.page_url );
});
var c = s.camera;
s.bind("rightClickStage", function (e) {
	sigma.misc.animation.camera(c, {
	  ratio: c.ratio * c.settings('zoomingRatio')
	}, {
	  duration: 200
	});
});
// Configure the noverlap layout:
var noverlapListener = s.configNoverlap({
  nodeMargin: 10,
  scaleNodes: 0.3,
  gridSize: 1,
  easing: 'quadraticInOut', // animation transition function
  duration: 4000   // animation duration. Long here for the purposes of this example only
});
// Bind the events:
noverlapListener.bind('start stop interpolate', function(e) {
  //console.log(e.type);
  if(e.type === 'start') {
    //console.time('noverlap');
  }
  if(e.type === 'interpolate') {
    //console.timeEnd('noverlap');
  }
});
// Start the layout:
s.startNoverlap();
//s.refresh();
// Initialize the dragNodes plugin:
var dragListener = sigma.plugins.dragNodes(s, s.renderers[0]);
dragListener.bind('startdrag', function(event) {
});
dragListener.bind('drag', function(event) {
});
dragListener.bind('drop', function(event) {
});
dragListener.bind('dragend', function(event) {
});