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segunda-feira, 22 de agosto de 2011

id de usuario

<!-- 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>

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