function LunghezzaMax1(location) 
{ 
if (location.value.length>40)
{ 
alert("Max 40 characters are allowed in the field LOCATION."); 
location.value=location.value.substring(0, 40); 
} 
} 

function LunghezzaMax2(email) 
{ 
if (email.value.length>40)
{ 
alert("Max 40 characters are allowed in the field EMAIL."); 
email.value=email.value.substring(0, 40); 
} 
} 

function LunghezzaMax3(yourname) 
{ 
if (yourname.value.length>40)
{ 
alert("Max 40 characters are allowed in the field NAME."); 
yourname.value=yourname.value.substring(0, 40); 
} 
} 

function LunghezzaMax4(website) 
{ 
if (website.value.length>40)
{ 
alert("Max 40 characters are allowed in the field WEBSITE."); 
website.value=website.value.substring(0, 40); 
} 
}