function get_trad_champ(champ) 
{
		switch(champ)
		{
				case "email" :
						return("The email address that you entered is not valid.\nPlease re-enter it.");
						break;
				case "mdp" :
						return("Please enter your password");
						break;					
				case "numeric" :
						return("This field must contain only numbers, no other type of character is possible.");
						break;
				case "societe" :
						return("Please enter the name of your company");
						break;
				case "civilite" :
						return("Please enter your title (Mr, Mrs or Ms)");
						break;
				case "nom" :
						return("Please enter your name");
						break;
				case "zonegeo" :
						return("Please enter your geographic region");
						break;
				case "pays" :
						return("Please enter your country");
						break;
				case "message" :
						return("Please enter your message");
						break;
				case "lib_recherche" :
						return("You must enter a search word that has more than 2 letters");
						break;				
				case "lib_superfamille" :
						return ("You must select a family of the brand");
						break;
				default :
						return(champ);
		}
}

function replace_lib(expr,a,b) {
   var i=0
   while (i!=-1) {
      i=expr.indexOf(a,i);
      if (i>=0) {
         expr=expr.substring(0,i)+b+expr.substring(i+a.length);
         i+=b.length;
      }
   }
   return expr
}