function contact(x)
{
 flag=true;
 fields='';
 for(i=0;i<x.elements.length;i++)
 {
  s=new String(x.elements[i].name);
  if(s.substr(0,3)=='REQ'){
   if(x.elements[i].value=='')
   {
    if(flag){x.elements[i].focus();}
     flag=false;
     document.getElementById("SPAN"+s.substr(3,s.length-1)).className='red';
    }
   else
    document.getElementById("SPAN"+s.substr(3,s.length-1)).className='';
  }
 }
 if(flag){document.getElementById("errorcontactform").style.display="none";}
 else{ alert('* Cases obligatoires a remplir.');document.getElementById("errorcontactform").style.display="";}
 if(x.REQfpassword1.value!=x.REQfpassword.value){alert('incorrect mot de passe ');x.REQfpassword1.value='';x.REQfpassword.value='';flag=false;}
 var e=x.REQfmail.value;
 var re=/([\w,\-,\.]+\@[\w,\-,\.]+\.\w{2,4})/i;
 if(!e.match(re))
 {
	alert("S'il vous plait introduisez admissible E-mail l'adresse");
	x.REQfmail.focus();
	return false;
 }
 return flag;
}