function mysql_fetch_value($query) {
 $result = mysql_query($query) or die(mysql_error());
 $value = mysql_fetch_array($result);
 $value = $value[0];
 return $value;    
}

function fermer() 
{
	window.close();
	return true;
}

function popUpBD(url, width, height) 
{
	window.open (url,"_blank","directories=no, toolbar=0, addressbar=no, copyhistory=0, menubar=no, status=no, location=no, scrollbars=no, resizable=no, width="+width+", height="+height+"");
	return true;
}

function impression() 
{
	window.frames[0].print();
	return true;
}

function check_mail (field_name,classError, classOK) 
{
	a = document.Verif.Mail.value;
	valide1 = false;
 
	for (var j=1;j<(a.length);j++) 
	{
		if( a.charAt(j)=='@') 
		{
			if (j<(a.length-4)) 
			{
				for ( var k=j; k<(a.length-2); k++)
				{
					if ( a.charAt(k)=='.' ) valide1 = true;
				}
			}
		}
	}
	if( valide1==false )
	{
		alert( "Veuillez saisir une adresse email valide." );
		return valide1;
	}
}

function check_password(field_name_1, field_name_2, field_size, classError, classOK) 
{
	if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) 
	{  
		var password_current = form.elements[field_name_1].value;
		var id_label_password_current = 'label_'+field_name_1;
		var password_confirmation = form.elements[field_name_2].value;
		var id_label_password_confirmation = 'label_'+field_name_2;	
		if (password_current == '' || password_confirmation == '' || password_current != password_confirmation) 
		{
			form.elements[field_name_1].className = classError;
			form.elements[field_name_2].className = classError;
			document.getElementById(id_label_password_current).style.color = "#CC0000";
			document.getElementById(id_label_password_confirmation).style.color = "#CC0000";
			error = true;
			return false;
		}
		else 
		{
			document.getElementById(id_label_password_current).style.color = "#000000";
			document.getElementById(id_label_password_confirmation).style.color = "#000000";
			form.elements[field_name_1].className = classOK;
			form.elements[field_name_2].className = classOK;
			return true;
		}
	}
}

function check_radio(field_name, message) 
{
	var isChecked = false;
	var label_id = 'label_'+field_name;
	if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) 
	{
		var radio = form.elements[field_name];
		for (var i=0; i<radio.length; i++) 
		{
			if (radio[i].checked == true) 
			{
				isChecked = true;
				break;
				return true;
			}			
		}
		if (isChecked == false) 
		{
			document.getElementById(label_id).style.color = "#CC0000";
			error = true;
			return false;
		}
		else 
		{
			document.getElementById(label_id).style.color = "#000000";
			return false;
		}
	}
}

function check_input(field_name, field_size, classError, classOK, label_id) 
{
  if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) 
  {
    var field_value = form.elements[field_name].value;
    if (field_value == '' || field_value.length < field_size) 
    {
		form.elements[field_name].className = classError;
		document.getElementById(label_id).style.color = "#CC0000";
		error = true;
    }
	else 
	{
		document.getElementById(label_id).style.color = "#000000";
		form.elements[field_name].className = classOK;
	}
	return true;
  }
}

function ajouter_option(id, label, valeur)
{
	var nouvelleOption = document.createElement('option');
	nouvelleOption.text = label;
	nouvelleOption.value = valeur;
	var select = document.getElementById(id);
	try 
	{
		select.add(nouvelleOption, null); // Firefox
	}
	catch(ex) {
		select.add(nouvelleOption); // IE
	}
	return true;
}

function effacer_toutes_options(id)
{
	var nselect=0;
	for(n=0;n<document.getElementById(id).length;n++)
	{
		if (document.getElementById(id).options[n].selected == true) 
		{
		nselect++;
		}
		if (nselect>0) {
			for (n=0;n<document.getElementById(id).length;n++) 
			{
				if (document.getElementById(id).options[n].selected == true) 
				{
				document.getElementById(id).options[n] = null;
				}
			}
		effacer_toutes_options(id);
		return true;
		}
	}
}