function validation() {
   var reg = /^[a-z0-9._-]+@[a-z0-9.-]{2,}[.][a-z]{2,3}$/
   return (reg.exec(document.forms.subscribe.email.value)!=null)
}
function check_submit(){
var mail="";
var mdp1="";
var mdp2="";
var ent="";
var tel="";
var fax="";
var bool=true;
if(document.forms.subscribe.email.value=="")
	{
	mail="Your mail is empty";
	bool=false;
	}
else if(!validation())
	{
	mail="Your mail isn't valid";
	bool=false;
	}
if(document.forms.subscribe.passwd.value=="") 
	{
	mdp1="Your passowrd is empty";
	bool=false;
	}
else if(document.forms.subscribe.passwd.value.length<5)
	{
	mdp1="Your password is too shot (5 characters min.)";
	bool=false;
	}
if(document.forms.subscribe.passbis.value=="")
	{
	mdp2="the 2nd field password is empty";
	bool=false;	
	}
if(document.forms.subscribe.ent.value=="")
	{
	ent="Your company name is empty";
	bool=false;	
	}
if(document.forms.subscribe.passwd.value!= document.forms.subscribe.passbis.value)
	{
	mdp2="the 2nd field password isn't correct";
	bool=false;	
	}
if(bool) document.forms.subscribe.submit();
else {
	var html="<i>\n";
	if(mail!="") html+=mail+"<br>\n";
	if(mdp1!="") html+=mdp1+"<br>\n";
	if(mdp2!="") html+=mdp2+"<br>\n";
	if(ent!="") html+=ent+"<br>\n";
	html+="</i>\n";
	getDoc("texte").innerHTML=html;
	getDoc("texte").style.display="block";
	}
}