function creerNuage(tags, prefixeUrlMetier){
	var ch = "<td width='208' height='144' align='left' valign='top' style='text-align:center;'>";
    jQuery.each(tags, function(i, val) {
      var style = 'TAGcolor';
      
      if(val.importance == 1){
      	style += 'Orange';
      } else if(val.importance == 2){
      	style += 'BleuGras';		      
      } else if(val.importance == 3){
      	style += 'BleuNormal';      
      }
     
	if (val.type == 'institutionnel'){     
  		ch += "<a href='" 
        	+ val.lien +"' class='" + style + "'>" 
	        + "<span>" + val.nom + "</span> </a>" ;
	}else{
  		ch += "<a href='" 
    	    + prefixeUrlMetier + val.lien +"' class='" + style + "'>" 
	        + "<span>" + val.nom + "</span> </a>" ;
	}
	  
	  
	  
	  
    });
    ch += "</td>"; 
    jQuery(ch).appendTo("#tagCloud");
}