//
// jsrsClient.js - javascript remote scripting client include
//
// Author: Brent Ashley [jsrs@megahuge.com]
//
// make asynchronous remote calls to server without client page refresh
//
// see license.txt for copyright and license information
/*
see history.txt for full history
2.0 26 Jul 2001 - added POST capability for IE/MOZ
2.2 10 Aug 2003 - added Opera support
2.3(beta) 10 Oct 2003 - added Konqueror support - **needs more testing**
*/
// callback pool needs global scope
var jsrsContextPoolSize=0;
var jsrsContextMaxPool=10;
var jsrsContextPool=new Array();
var jsrsBrowser=jsrsBrowserSniff();
var jsrsPOST=true;
var containerName;
// constructor for context object
function jsrsContextObj(contextID) {
// properties
this.id=contextID;
this.busy=true;
this.callback=null;
this.container=contextCreateContainer(contextID);
// methods
this.GET=contextGET;
this.POST=contextPOST;
this.getPayload=contextGetPayload;
this.setVisibility=contextSetVisibility;
}
// method functions are not privately scoped
// because Netscape's debugger chokes on private functions
function contextCreateContainer(containerName) {
// creates hidden container to receive server data
var container;
switch(jsrsBrowser) {
case 'NS':
container=new Layer(100);
container.name=containerName;
container.visibility='hidden';
container.clip.width=100;
container.clip.height=100;
break;
case 'IE':
document.body.insertAdjacentHTML("afterBegin", '');
var span=document.all("SPAN"+containerName);
var html='';
span.innerHTML=html;
span.style.display='none';
container=window.frames[containerName];
break;
case 'MOZ':
var span=document.createElement('SPAN');
span.id="SPAN"+containerName;
document.body.appendChild(span);
var iframe=document.createElement('IFRAME');
iframe.name=containerName;
iframe.id=containerName;
span.appendChild(iframe);
container=iframe;
break;
case 'OPR':
var span=document.createElement('SPAN');
span.id="SPAN"+containerName;
document.body.appendChild(span);
var iframe=document.createElement('IFRAME');
iframe.name=containerName;
iframe.id=containerName;
span.appendChild(iframe);
container=iframe;
break;
case 'KONQ':
var span=document.createElement('SPAN');
span.id="SPAN"+containerName;
document.body.appendChild(span);
var iframe=document.createElement('IFRAME');
iframe.name=containerName;
iframe.id=containerName;
span.appendChild(iframe);
container=iframe;
// Needs to be hidden for Konqueror, otherwise it'll appear on the page
span.style.display=none;
iframe.style.display=none;
iframe.style.visibility=hidden;
iframe.height=0;
iframe.width=0;
break;
}
return container;
}
function contextPOST(rsPage, func, parms) {
var d=new Date();
var unique=d.getTime()+''+Math.floor(1000 * Math.random());
var doc=(jsrsBrowser == "IE") ? this.container.document : this.container.contentDocument;
doc.open();
doc.write('');
doc.write('');
doc.close();
doc.forms['jsrsForm'].submit();
}
function contextGET(rsPage, func, parms) {
// build URL to call
var URL=rsPage;
// always send context
URL+="?C="+this.id;
// func and parms are optional
if (func!=null) {
URL+="&F="+escape(func);
if (parms!=null) {
if (typeof(parms) == "string") {
// single parameter
URL+="&P0=["+escape(parms+'')+"]";
} else {
// assume parms is array of strings
for(var i=0;i');
for(var i in jsrsContextPool) {
var contextObj=jsrsContextPool[i];
doc.write(''+contextObj.id+' : '+(contextObj.busy ? 'busy' : 'available')+' ');
doc.write(contextObj.container.document.location.pathname+' ');
doc.write(contextObj.container.document.location.search+' ');
doc.write('