<!-- permet de modifier le tarif en live si on enleve des options sur le produit (sans chaussures par ex) //-->
  function recalcul_tarif()
  {
      //products_price          = parseFloat(document.getElementById("products_price").value);
      products_price          = parseFloat(document.getElementById("products_priceNoFormat").value);
      
      option_boots = document.getElementById("id[5]");
     /* option_week  = document.getElementById("id[1]");*/
      option_duree  = document.getElementById("id[6]");
      
      var prefixe_boots             = option_boots.options[option_boots.selectedIndex].getAttribute('prefixe');
      var options_value_price_boots = parseFloat(option_boots.options[option_boots.selectedIndex].getAttribute('options_value_price'));
      /*
      var prefixe_week              = option_week.options[option_week.selectedIndex].getAttribute('prefixe');
      var options_value_price_week  = parseFloat(option_week.options[option_week.selectedIndex].getAttribute('options_value_price'));
		*/
      var prefixe_duree              = option_duree.options[option_duree.selectedIndex].getAttribute('prefixe');
      var options_value_price_duree  = parseFloat(option_duree.options[option_duree.selectedIndex].getAttribute('options_value_price'));


      if (options_value_price_boots > 0)
      {
          if (prefixe_boots == "+") {
              products_price  += options_value_price_boots;
          }
          else if(prefixe_boots == "-") {
              products_price  -= options_value_price_boots;
          }
          else {
              products_price  = options_value_price_boots;
          }
      }
	  /*
      if (options_value_price_week > 0)
      {
          if (prefixe_week == "+") {
              products_price  += options_value_price_week;
          }
          else
          {
              products_price  -= options_value_price_week;
          }
      }*/
      if (options_value_price_duree > 0)
      {
          if (prefixe_duree == "*") {
              products_price  *= options_value_price_duree;
          }
      }

      document.getElementById("products_price_variable").innerHTML = products_price.toFixed( 2 )+'&euro;';
  }
  
  
  function affichage_choix_date(champ_cache, format, element_this){
  
  displayCalendar(document.getElementById(champ_cache),format,element_this);
  document.getElementById('id[7]').value=document.getElementById(champ_cache).value;
  
  
  }
  
  function calendrier_callback(returnFormat,returnDateTo){
	if ((returnFormat<10101)||(returnFormat>10430)){
		alert('Date entre 01/01/2010 et 30/04/2010');
		returnDateTo.value = '';
		document.getElementById('span_date_reservation').innerHTML='__/__/___';
		return '';
	}
	lemois= returnFormat.substr(1,2);
	lejour= returnFormat.substr(3,2);
	document.getElementById('span_date_reservation').innerHTML=lejour+'/'+lemois+'/2010';
  }