var original = Array();
var ajax=false;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
 try {
  ajax = new ActiveXObject("Msxml2.XMLHTTP");
 } catch (e) {
  try {
   ajax = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (E) {
   ajax = false;
  }
 }
@end @*/
if (!ajax && typeof XMLHttpRequest!='undefined') {
	ajax = new XMLHttpRequest();
}

function editEntry(serverPage, objID) {
	var element = document.getElementById(objID);
	original[objID] = element.innerHTML;
	ajax.open('GET', serverPage);
	ajax.onreadystatechange = function() {
		switch(ajax.readyState) {
			case 1:
				element.innerHTML = "Loading.";
				break;
			case 2:
				element.innerHTML += " .";
				break;
			case 3:
				element.innerHTML += " .";
				break;
			case 4:
				if (ajax.status==200) {
					element.innerHTML = ajax.responseText;
				}
				break;
		}
  	}
	ajax.send(null);
}

function cancelEntry(objID)
{
	var element = document.getElementById(objID);
	element.innerHTML = original[objID];		
}

function saveEntry(serverPage, objID, form, save)
{
	var element = document.getElementById(objID);
	var queryStr = formData2QueryString(form);
	if (save==false) { queryStr += '&preview=Preview'; }
	ajax.open('POST', serverPage, true);
	ajax.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	ajax.onreadystatechange = function() {
		switch(ajax.readyState) {
			case 1:
				element.innerHTML = "Processing.";
				break;
			case 2:
				element.innerHTML += " .";
				break;
			case 3:
				element.innerHTML += " .";
				break;
			case 4:
				if (ajax.status==200) {
					element.innerHTML = ajax.responseText;
					if (save==true) { window.location.reload(false); } 
				}
				break;
		}
	}
	ajax.send(queryStr);
}

/*
---------------------------------------------------------------------------

 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program (see the file COPYING); if not, write to the
 *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 *  Boston, MA  02111-1307, USA
 
 The following code is copyright 2003 by Matthew Eernisse
 Modified by Yvonne L
 
---------------------------------------------------------------------------	
*/ 

function formData2QueryString(docForm)
{
	var strSubmitContent = '';
	var formElem;
	var strLastElemName = '';
	
	for (i = 0; i < docForm.elements.length; i++) {
		
		formElem = docForm.elements[i];
		switch (formElem.type) {
			// Text fields, hidden form elements
			case 'text':
			case 'hidden':
			case 'password':
			case 'textarea':
			case 'image':
			case 'select-one':
				strSubmitContent += formElem.name + '=' + encodeURIComponent(formElem.value) + '&';
				break;				
			case 'select-multiple':
				for (count = 0; count < formElem.length; count++) {
					if ( formElem[count].selected ) {
						strSubmitContent += formElem.name + '=' + encodeURIComponent(formElem[count].value) + '&';
					}
				}
				break;								
			// Radio buttons
			case 'radio':
				if (formElem.checked) {
					strSubmitContent += formElem.name + '=' + encodeURIComponent(formElem.value) + '&';
				}
				break;				
			// Checkboxes
			case 'checkbox':
				if (formElem.checked) {
					// Continuing multiple, same-name checkboxes
					if (formElem.name == strLastElemName) {
						// Strip of end ampersand if there is one
						if (strSubmitContent.lastIndexOf('&') == strSubmitContent.length-1) {
							strSubmitContent = strSubmitContent.substr(0, strSubmitContent.length - 1);
						}
						// Append value as comma-delimited string
						strSubmitContent += ',' + encodeURIComponent(formElem.value);
					}
					else {
						strSubmitContent += formElem.name + '=' + encodeURIComponent(formElem.value);
					}
					strSubmitContent += '&';
				}
				break;
		}
		strLastElemName = formElem.name;
	}
	
	// Remove trailing separator
	strSubmitContent = strSubmitContent.substr(0, strSubmitContent.length - 1);
	return strSubmitContent;
}