function FocusText(BoxName)
{
if (BoxName.value == BoxName.defaultValue)
{
BoxName.value = '';
}
}
function BlurText(BoxName)
{
if (BoxName.value == '')
{
BoxName.value = BoxName.defaultValue;
}
}
function Fct_ValeurPardefaut()
{
  if(window.document.rech.mot_cle.value=="")
   window.document.rech.mot_cle.value = "Mot clé";
   return;
}
function Fct_Vider()
{
  window.document.rech.mot_cle.value="";
   return;
}
function Fct_Chercher()
{ err="";
  msg="Merci de saisir um mot clé valide";
  if( window.document.rech.mot_cle.value.length < 3 || window.document.rech.mot_cle.value == "Mot clé" )
     {err=msg;}
	 if(err != "")
      alert(err);
      document.MM_returnValue = (err == '');
 }
 function Fct_Chercher_ar()
{ err="";
  msg=" Merci de saisir um mot clé valide ";
  if( window.document.rech.mot_cle.value.length < 2 )
     {err=msg;}
	 if(err != "")
      alert(err);
      document.MM_returnValue = (err == '');
 }
 function Fct_ValeurPardefaut_ar()
{
 // if(window.document.rech.mot_cle.value=="")
//   window.document.rech.mot_cle.value = "&#1576; &#1581; &#1579;";
   return;
}