<!-- Copiar dentro da tag HEAD -->

<HEAD>

<SCRIPT LANGUAGE="JavaScript">
<!-- Roberto Tadeu reis de Souza -->

<!-- Begin
function readID() {
var expDays = 365; // dias para que expire
var expDate = new Date();
expDate.setTime(expDate.getTime() +  (24 * 60 * 60 * 1000 * expDays)); 
var id = GetCookie('id');
if (id == null || id == "no id") {
if (location.search.length > 1) id = location.search.substring(1, location.search.length);
else id = "no id";
if (id != GetCookie('id')) SetCookie('id', id, expDate);
}

document.idform.id.value = id;

}
function getCookieVal (offset) {  
var endstr = document.cookie.indexOf (";", offset);  
if (endstr == -1)    
endstr = document.cookie.length;  
return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie (name) {  
var arg = name + "=";  
var alen = arg.length;  
var clen = document.cookie.length;  
var i = 0;  
while (i < clen) {    
var j = i + alen;    
if (document.cookie.substring(i, j) == arg)      
return getCookieVal (j);    
i = document.cookie.indexOf(" ", i) + 1;    
if (i == 0) break;   
}  
return null;
}
function SetCookie (name, value) {  
var argv = SetCookie.arguments;  
var argc = SetCookie.arguments.length;  
var expires = (argc > 2) ? argv[2] : null;  
var path = (argc > 3) ? argv[3] : null;  
var domain = (argc > 4) ? argv[4] : null;  
var secure = (argc > 5) ? argv[5] : false;  
document.cookie = name + "=" + escape (value) + 
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
((path == null) ? "" : ("; path=" + path)) +  
((domain == null) ? "" : ("; domain=" + domain)) +    
((secure == true) ? "; secure" : "");
}
//  End -->
</script>
</HEAD>

<!-- Copiar dentro del tag BODY -->

<BODY OnLoad="readID()">

<form name=idform>
<input type=hidden name=id>
</form>
</BODY>
</HTML>
