function GetSociete ()
{   
    var availableTags = new Array(); 
    $.ajax({   
			type: 'POST',
			url: 'scripts_php/recup_societe.php',
			dataType: 'json',
			success:   
			     function (json) 
                {
                    for (j=0; j<json.length; j++)
                    {
                        availableTags[j] = json[j];                        
                    }  
                  
				}       
		});

        return availableTags;
        
}    
    var availableTags = new Array();
    
    availableTags = GetSociete();
    
    console.log (availableTags);

	$( "#nom_soc" ).autocomplete({
		source: availableTags     
	});  

    $.ajax({   
			type: 'POST',
			url: 'scripts_php/recup_societe.php',
			dataType: 'json',
			async : false,
			success:   
			     function (json) 
                {   
                    for (i=0; i<json.length; i++)
                    {
                        availableTags = json[i];                         
                    }  
				}       
		});