function check_webtolead_fields(){
	if(document.getElementById('req_id') != null){
		var reqs=document.getElementById('req_id').value;
		reqs = reqs.substring(0,reqs.lastIndexOf(';'))
		var req_fields = new Array();
		var req_fields = reqs.split(';');
		nbr_fields = req_fields.length;
		var req = true;
		for(var i=0;i<nbr_fields;i++){
			if(document.getElementById(req_fields[i]).value.length <=0){
				req = false;																		
				break;
			}
	    }
		if(req){
			document.WebToLeadForm.submit();
			return true;
		}
		else{
			alert('Merci de spécifier tous les champs obligatoires');
			return false;
		}
		return false
	}
	else{
		document.WebToLeadForm.submit();
	}
}