util.js

航空自助值机java ＢＳ模式程序

//
// Utility javascript functions
// @author Chau Nguyen
// @version 1.0
// @date    05/03/2002

/**
 * set the cookie to the browser
 */
function setCookie (name, value, expires, path, domain, secure) {
  document.cookie = name + "=" + escape(value) +
    ((expires) ? "; expires=" + expires : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
}

// Parse parameter out of a string.
function getParameter(string, parm, delim) {
  // returns value of parm from string
  if (string.length == 0) {
     return '';
  }
  var sPos = string.indexOf(parm + "=");
  if (sPos == -1) {
    return '';
  }
  sPos = sPos + parm.length + 1;
  var ePos = string.indexOf(delim, sPos);
  if (ePos == -1) {
    ePos = string.length;
  }
  return unescape(string.substring(sPos, ePos));
}

// Get parameter from query string passed to my page
function getPageParameter(parameterName, defaultValue) {
	var s = self.location.search;
	if ((s == null) || (s.length < 1)) {
		return defaultValue;
	}
	return getParameter(s, parameterName, '&');
}

function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}