/**
 * Program: GEEVS
 * File: $Name:  $
 * Checked In: $Date: 2002/08/30 20:28:51 $
 * Version: $Revision: 1.1 $
 * Author: $Author: sudar $
 */
 
 
 // Boolean variable specified if alert should be displayed if cookie exceeds 4KB
 
	        var caution = false;
	        
		// name - name of the cookie
		// value - value of the cookie
		// [expires] - expiration date of the cookie (defaults to end of current session)
		// [path] - path for which the cookie is valid (defaults to path of calling document)
		// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
		// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
		// * an argument defaults when it is assigned null as a placeholder
		// * a null placeholder is not required for trailing omitted arguments
		function setCookie(name, value, expires, path, domain, secure) {
			var curCookie = name + "=" + escape(value) +
				((expires) ? "; expires=" + expires.toGMTString() : "") +
				((path) ? "; path=" + path : "") +
				((domain) ? "; domain=" + domain : "") +
				((secure) ? "; secure" : "")
			if (!caution || (name + "=" + escape(value)).length <= 4000)
				document.cookie = curCookie
			else
				if (confirm("Cookie exceeds 4KB and will be cut!"))
					document.cookie = curCookie
		}

		// name - name of the desired cookie
		// * return string containing value of specified cookie or null if cookie does not exist
		function getCookie(name) {
			var prefix = name + "="
			var cookieStartIndex = document.cookie.indexOf(prefix)
			if (cookieStartIndex == -1)
				return null
			var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)
			if (cookieEndIndex == -1)
				cookieEndIndex = document.cookie.length
			return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))
		}

		// 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)
		// * path and domain default if assigned null or omitted if no explicit argument proceeds
		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"
			}
		}