function verifMail(a){
verif = 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)=='.') verif = true;
    }
   }
  }
 }
return verif ;
}

function valid_mailer(input) {

		for (var i=0;i<input.length;i++){

			if (input[i].name != 'code_secret' && (input[i].type == 'text' || input[i].name != 'message')){		

				if ((input[i].name).substring(0,1) == '*' && (input[i].value) == ''){
					input[i].style.border = '1px solid #990505';
					input[i].style.color= '#990505';
					input[i].style.background= 'url(../images/contact/attention.png) no-repeat top right';
					input[i].focus();
					return false;
				}
				if (((input[i].name).substring(0,5) == '*mail' || (input[i].name).substring(0,6) == '*email') && !verifMail(input[i].value)){
					input[i].style.border = '1px solid #990505';
					input[i].style.color= '#990505';
					input[i].focus();
					return false;
				}
			
			}
			if(input[i].name == 'code_secret' && input[i].value == ''){
				
					input[i].style.border = '1px solid #990505';
					input[i].style.color= '#990505';
					input[i].focus();
					return false;
					
			}
			
			if(input[i].name == 'message' && input[i].value == ''){
				
					input[i].style.border = '1px solid #990505';
					input[i].style.color= '#990505';
					input[i].focus();
					return false;
					
			}
			
		}
	
	return true

}