/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */

function setCookie(name, value, expires, path, domain, secure) {
	
	try { expirationDate = new Date(expires); }
	catch (e) { expirationDate = new Date("31 December 1969"); }
	
	//alert("cookie :: "+name+" "+value)
	
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expirationDate.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function traceText() {
    var i = 0;
	tamanho = arguments.length;
	//alert ("tamanho traceText :: "+tamanho)
	textData = ""
	for(i=0; i<tamanho; i++) {
	  textData += " " + arguments[i]
	}
	//alert("....."+textData);
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name) {
	//alert("getCookie "+name);
    var dc = document.cookie;
	//alert("cookie "+dc);
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
		end = dc.length;
    }
	content = dc.substring(begin + prefix.length, end);
	//alert("content"+unescape(content));
    return unescape(content)
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}