// $Id: popup_window.js,v 1.1 2003/10/09 23:44:17 davel Exp $

// All the JavaScript gunge - exported out at last!



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;
}

// Calculate the site path, for the cookies
site_path = (site_root_url . match(/http:\/\/[^\/]+(.*)/))[1];


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] : site_path;
	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" : "");
}
function DeleteCookie (name) {  
	var exp = new Date();  
	exp.setTime (exp.getTime() - 1);  
	var cval = GetCookie (name);  
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

var exp = new Date(); 
exp.setTime(exp.getTime() + (popup_expDays*24*60*60*1000));

function amt(){
	var count = GetCookie('count')
	if(count == null) {
		SetCookie('count','1');
		return 1;
	} else {
		var newcount = parseInt(count) + 1;
		DeleteCookie('count');
		SetCookie('count',newcount,exp);
		return count;
 	}
}

function getCookieVal(offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1) endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function checkCount() {
	// Only attempt to show the cookie for HTML pages, rather than CGI
	// pages like the "Preview" ones.	
	if (!/\/save\.cgi$/.exec(location.href)) {
		var count = GetCookie('count');
		if (count == null) {
			count=1;
			SetCookie('count', count, exp, site_path);

			window.open(popup_page, "", popup_windowprops);
		} else {
			count++;
			SetCookie('count', count, exp, site_path);
	}   	}
}