function proxi(formul)
   {
    coord = formul.split(";");
    desturl='http://www.ratp.info/Proxi/proxi.php?lang=FRA&Profil=RATP&xCenter=';

    if (coord.length == 2) // teste le cas des tirets
    { 
     desturl+=coord[0]+'&yCenter='+coord[1];
     window.open(desturl, 'horaires','width=800,height=750,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes');
    } 
    else return;
   }

   function changer_couleur(e)
   {  
	var noeuds_tr = document.getElementById('tableau').getElementsByTagName('tr');
	
	for(var i=1; i<noeuds_tr.length; i++)
	{	 
	 noeuds_tr[i].onmouseover = function (e)
	 {  
	  for(var j=1; j<this.getElementsByTagName("TD").length; j++)
	  {
	   this.getElementsByTagName("TD")[j].style.color = couleur_police;
	   this.getElementsByTagName("TD")[j].style.backgroundColor = couleur_fond;
	  }

	  this.getElementsByTagName("TD")[0].className = this.getElementsByTagName("TD")[0].className+"_s";
     }
	 
     noeuds_tr[i].onmouseout = function (e)
	 {
	  for(var j=1; j<this.getElementsByTagName("TD").length; j++)
	  {
	   this.getElementsByTagName("TD")[j].style.color = '#000';
	   this.getElementsByTagName("TD")[j].style.backgroundColor = '';
	  } 

	  var fin = this.getElementsByTagName("TD")[0].className.indexOf('_s',0);
	  this.getElementsByTagName("TD")[0].className = this.getElementsByTagName("TD")[0].className.substring(0, fin); 
     }
	}
   }

   document.onmousemove = changer_couleur;