// JavaScript Document
// javascript query string parsing utils
// pass location.search to the constructor: var page = new PageQuery(location.search)
// get values like: var myValue = page.getValue("param1") etc.
// djohnson@ibsys.com {{djohnson}}
// you may use this file as you wish but please keep this header with it thanks


function determineID(){
	var page = new PageQuery(location.search); 
	var id_string = page.getValue("id"); 
	return id_string;
}

function loggedIn_msg(logout){
	var the_id = determineID();
	if (the_id != -1){
		var pn = location.pathname;
		document.write(
		  '<div id="login"  align="right">\n'+
		  'You are logged in. <br/ >\n');
		  if(logout != false){
			  document.write(
				'<a href="' + pn + '">Click here to log out.</a>\n'
			  );
		  }
		  document.write(
		  '</div>'
		  );
	}
		  
}
		
function appendURL(URL,appended_text,target,return_info) {

	var page = new PageQuery(location.search); 
	var id_string = page.getValue("id"); 
	if (id_string != -1){
		URL +='?id=' + id_string;
		var char_name_string = page.getValue("char_name"); 
		if (char_name_string != -1){
			URL +='&char_name=' + char_name_string;
		}
	}
	
	if (appended_text == null){
		appended_text = "";
	} else{
		if (id_string != -1){
			appended_text = '&' + appended_text;
		}
		else{
			appended_text = '?' + appended_text;
		}
	}
	
	if (target != null){
		window.open(URL);
		return;	
	}

	
	if (return_info == null){ 
		URL += appended_text;
		document.location.href = URL;
	}else{
		<!---alert("return info:"+URL);--->
		return URL;
		<!---myForm = eval(doucment.return_info);
		<!---myForm.submit(URL);
		<!---eval(document[return_info]).submit(URL);--->
	}
}

function PageQuery(q) {
if(q.length > 1) this.q = q.substring(1, q.length);
else this.q = null;
this.keyValuePairs = new Array();
if(q) {
	for(var i=0; i < this.q.split("&").length; i++) {
		this.keyValuePairs[i] = this.q.split("&")[i];
	}
}
this.getKeyValuePairs = function() { return this.keyValuePairs; }
this.getValue = function(s) {
	for(var j=0; j < this.keyValuePairs.length; j++) {
		if(this.keyValuePairs[j].split("=")[0] == s)
			return this.keyValuePairs[j].split("=")[1];
	}
	return -1;
}
this.getParameters = function() {
	var a = new Array(this.getLength());
	for(var j=0; j < this.keyValuePairs.length; j++) {
		a[j] = this.keyValuePairs[j].split("=")[0];
	}
	return a;
}
	this.getLength = function() { return this.keyValuePairs.length; }	
}