var m_strURL, m_strTrans, m_strData;

function sendlongdata(strURL, strTrans, strParam, strData)
{
  m_strURL = strURL;
  m_strTrans = strTrans;
  m_strData = strData;
  connectserver(strURL, strTrans+strParam, "");
}

function sendremainingdata(nTranID)
{
   //alert(nTranID+' '+m_strData)
   if(m_strData.length > 0)
   {
	   strData = m_strData.substring(0,2000);
	   m_strData = m_strData.substring(2000,m_strData.length);
	   strParam = m_strTrans+'REPLY&param1='+nTranID+'&param2='+strData;
	   //alert(strParam);
	   connectserver(m_strURL, strParam, "");
   }
   else
   {
       alert('Successfuly saving data...');
   }
}

function connectserver(strURL, strParam, nTrans)
{
    strURL = strURL + strParam;
	//alert(strURL);
    if (window.XMLHttpRequest)
        reqObj = new XMLHttpRequest();
    else
       reqObj = new ActiveXObject("Microsoft.XMLHTTP");
     
     if (reqObj)
        {
           reqObj.onreadystatechange = fetchdata;
           reqObj.open("POST", strURL, true);
           reqObj.send(null);
        }
}

function fetchdata()
{
    var datareceive;

    if (reqObj.readyState == 4)
    {

	    if (reqObj.status == 200)
	       {
    			datareceive  = reqObj.responseText;
    			datareceive = trimString(datareceive);
    			parseThisData(datareceive);
	       }
	    else
	       {
		      alert("There was a problem retrieving the XML data");
	       }
    }
}

function parseThisData(recString)
{
    var strArray = new Array();
    strArray = recString.split('|&|');
    //alert(recString);
	if( strArray[0] == "DISPLAY" )
	{
	  tdresult.innerHTML = strArray[1];
	}
	else if( strArray[0] == "WRONGPASSWORD" )
	{
	  tdresult.innerHTML = "WRONG PASSWORD";
	}
	else if( strArray[0] == "OKSTUDENTLOGIN" )
	{
	   document.write(strArray[1]);
	}
	else if( strArray[0] == "OKPASSWORD" )
	{
	  document.write(strArray[1]);
	}
	else if( strArray[0] == "STUDENTWRONGPASSWORD" )
	{
	  loginresult.innerHTML = strArray[1];
	}
	else if( strArray[0] == "REQUESTOK")
	{ 
	  if(strArray[1] == "IAUVIDEO")
	  {
	     mainContainer.innerHTML = strArray[2];
	  }
	  else
	  {
	     checkLogin();
	     mainContainer.innerHTML = strArray[1];
	  }
	}
	else if( strArray[0] == "SAVELINKOK" )
	{
	  alert(strArray[1]);
	}
	else if( strArray[0] == "GRADEREQUESTOK" )
	{
	  mainContainer.innerHTML = headerDisplay(strArray[2]);
	}
	else if( strArray[0] == "REQUESTNOTOK" )
	{
	  alert(strArray[1]);
	}
	else if( strArray[0] == "COMMONREQUESTOK" )
	{
	  alert(strArray[1]);
	}
	else if( strArray[0] == "GETNEWSOK" )
	{
	  assignvalueto("field1",strArray[1]);
	  assignvalueto("field2",strArray[2]);
	  assignvalueto("field3",strArray[3]);
	  assignvalueto("fieldbody",strArray[4]);
	  assignvalueto("field4",strArray[5]);
      setvaluecheckint('checkAP', strArray[6])
	}
    else if( strArray[0] == "SAVENEWSOK" )
	{
	  assignvalueto("field1",strArray[1]);
	  sendremainingdata(strArray[1]);
	}
	else if( strArray[0] == "DISPLAYNEWSOK" )
	{
	  containerAllNews.innerHTML = strArray[1];
	}
	else if( strArray[0] == "DELETENEWSOK" )
	{
	  containerAllNews.innerHTML = strArray[1];
	  parent.newsAdd();
	}	
    else if( strArray[0] == "STUDLOGINOK" )
	{
	  logEntry.innerHTML = strArray[1];
	  addHTML('mainContainer', strArray[2])
	}
    else if( strArray[0] == "CHECKLOGINOK" )
	{
	  logEntry.innerHTML = strArray[1];
	  //addHTML('mainContainer', strArray[2])
	}
	else if( strArray[0] == "STUDLOGINNOTOK" )
	{
	  alert(strArray[1]);
	}
	else if( strArray[0] == "STUDNOTLOGIN" )
	{
	  logEntry.innerHTML = restoreLogin();
	}
	else if( strArray[0] == "STUDLOGOUT" )
	{
	  getHeadLine('HEADLINE');
	  logEntry.innerHTML = restoreLogin();
	}
	else if( strArray[0] == "MENU1" )
	{
	  containerMenu1.innerHTML = strArray[1];
	  containerMenu2.innerHTML = strArray[2];
	  containerMenu3.innerHTML = strArray[3];
	}
	else if( strArray[0] == "MENU2" )
	{
	  containerMenu2.innerHTML = strArray[1];
	  containerMenu3.innerHTML = strArray[2];
	}
	else if( strArray[0] == "MENU3" )
	{
	  containerMenu3.innerHTML = strArray[1];
	}
	else if( strArray[0] == "LISTCONTENTOK" )
	{
	  containerAllContent.innerHTML = strArray[1];
	}
	else if( strArray[0] == "DELETECONTENTOK" )
	{
	  parent.linkTrans('ADDCONTENT')
	  containerAllContent.innerHTML = strArray[1];
	}
	else if( strArray[0] == "SAVECONTENTOK" )
	{
	  assignvalueto("field1",strArray[1]);
	  sendremainingdata(strArray[1]);
	}	
	else if( strArray[0] == "DETAILCONTENTOK" )
	{
	  assignvalueto("field1",strArray[1]);
	  assignvalueto("field2",strArray[2]);
	  assignvalueto("fieldbody",strArray[3]);
	}
	else if( strArray[0] == "GETGROUPOK" )
	{
	  parent.passToTD('selectedGroup', strArray[1]);
	}
	else if( strArray[0] == "SAVEGROUPOK" )
	{
	  parent.passToTD('pictureGroup', strArray[1]);
	  parent.passToTD('selectedGroup', strArray[2]);
	  //alert(strArray[1]);
	}	
	else if( strArray[0] == "DELETEGROUPOK" )
	{
	  parent.passToTD('pictureGroup', strArray[1]);
	}
	else if( strArray[0] == "GETGROUPEDITOK" )
	{
	  assignvalueto('txtgroupdesc',strArray[1]);
	}
	else if( strArray[0] == "GETPICTUREOK" )
	{
	  addHTML('tdpicture', strArray[1])
	}
	else if( strArray[0] == "SELECTPICTUREOK" )
	{
      assignvalueto('pictdesc', strArray[1])
	}
	else if( strArray[0] == "IMAGEVIEWEROK" )
	{
      addHTML('mainContainer', strArray[1])
	  parent.nPicture = -1;
	}
   else if( strArray[0] == "IMAGEVIEWOK" )
	{
      addHTML('imagecaption', strArray[1])
	}
	else if( strArray[0] == "ANNOUNCEOK" )
	{
      addHTML('tdAnnounceList', strArray[1])
	}
	else if( strArray[0] == "SAVELINKANNOUNCEOK" )
	{
      alert(strArray[1])
	}
    else if( strArray[0] == "CHECKMAILOK" )
	{
      addHTML('mainContainer', strArray[1])
	}
	else if( strArray[0] == "SENDMESSAGEOK" )
	{
      addHTML('mailContainer', strArray[1])
	}
	else if( strArray[0] == "LONGMESSAGEOK" )
	{
      sendremainingdata(strArray[1])
	}
    else if( strArray[0] == "DELETEMESSAGEOK" )
	{
      addHTML('wholemail'+strArray[1], "")
	}
    else if( strArray[0] == "SENDMESSAGESCHOOLOK" )
	{
      addHTML('mainContainer', strArray[1])
	}
    else if( strArray[0] == "READMAILOK" )
	{
	  strHTML = '<hr>' + strArray[2]+'<br>-------------------------------------------<br>';
	  strHTML = strHTML + strArray[3] +'<br>-------------------------------------------<br>' + strArray[4]+ '<hr>';
      addHTML('mailbody'+strArray[1], strHTML);
	}
	else if( strArray[0] == "SELECTPICTUREGROUPOK" )
	{
      addHTML('tdPictureCollection', strArray[1])
	}
	else if( strArray[0] == "SHOWTHISBATCHOK" )
	{
      addHTML('tdPictureCollection', strArray[1])
	}
	else if( strArray[0] == "DELETEPICTUREOK" )
	{
	  //alert(recString)
      addHTML(strArray[1], strArray[2])
	}
    else if( strArray[0] == "SHOWMAPOK" )
	{
	  //alert(recString)
      addHTML("mainContainer", strArray[1])
	  //var f = document.getElementById('googlemap')
	  //f.contentWindow.location.reload(true)
	}
	else if( strArray[0] == "CREATEPHOTOXMLOK" )
	{
	  alert(strArray[1]);
	}
	
	
	

	
	
	
}

function headerDisplay(strData)
{
  var retString;
  retString = '<UL><LI><strong><FONT color=#000066 size=4>'+strData+'</FONT></strong></LI></UL>';
  return retString;
}

function restoreLogin()
{
	var strLogin = "";
	strLogin = "<table id='login' summary='form: login information' style='border: none; color: #ffffff'>";
	strLogin = strLogin + "<tr><th><label for='username'>Student ID:</label></th><td><input name='login' id='username' value='' size='17' class='' type='text'></td>";
	strLogin = strLogin + "</tr><tr><th><label for='passwd'>Password:</label></th><td><input name='passwd' id='passwd' value='' size='17' class='' type='password'></td>";
	strLogin = strLogin + "</tr><tr><td colspan='2' align='right'><input type='button' name='save' value='Sign In' onclick='loginUser()'></td></tr></table>";
	return  strLogin
}
function trimString(sInString)
{
  sInString = sInString.replace( /^\s+/g, "" );// strip leading
  sInString = sInString.replace( /\s+$/g, "" );// strip trailing
  sInString = sInString.replace("'","\'");
  return sInString;
}

function readFromClipboard()
{
  var retString  = clipboardData.getData("Text");
  return retString;
}

function copyToClipboard(s)
{
  if( window.clipboardData && clipboardData.setData )
	{
	clipboardData.setData("Text", s);
	}
  else
	{
		user_pref("signed.applets.codebase_principal_support", true);
		netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');

		var clip = Components.classes['@mozilla.org/widget/clipboard;[[[[1]]]]'].createInstance(Components.interfaces.nsIClipboard);
		if (!clip) return;

		var trans = Components.classes['@mozilla.org/widget/transferable;[[[[1]]]]'].createInstance(Components.interfaces.nsITransferable);
		if (!trans) return;

		trans.addDataFlavor('text/unicode');

		var str = new Object();
		var len = new Object();

		var str = Components.classes["@mozilla.org/supports-string;[[[[1]]]]"].createInstance(Components.interfaces.nsISupportsString);
		var copytext=meintext;

		str.data=copytext;
		trans.setTransferData("text/unicode",str,copytext.length*[[[[2]]]]);

		var clipid=Components.interfaces.nsIClipboard;
		if (!clip) 
		   return false;
		clip.setData(trans,null,clipid.kGlobalClipboard);
	}
}



function cleanString(sInString)
{
 while(sInString.indexOf('&') > -1)
  {
     sInString = sInString.replace("&","aNdsIgN");
  }
  return sInString;
}

function colorString(strValue,strColor)
{
  $returnHTML = "<font color="+strColor+">"+strValue+"</font>";
  return $returnHTML;
}

function getvaluefrom(strRecVal)
{
  var ovalue=document.getElementById(strRecVal);
  return trimString(ovalue.value);
}

function getvalueselect(strRecVal)
{
  var nIndex;
  var ovalue=document.getElementById(strRecVal);
  nIndex = ovalue.selectedIndex;
  return trimString(ovalue[nIndex].text);
}

function getvaluecheck(strRecVal)
{
  var ovalue = document.getElementById(strRecVal);
  return ovalue.checked;
}

function setvaluecheck(strRecVal, bValue)
{
  var ovalue = document.getElementById(strRecVal);
  ovalue.checked = bValue;
}

function getvaluecheckint(strRecVal)
{
  var ovalue = document.getElementById(strRecVal);
  if(ovalue.checked == true)
   return 1;
  else
   return 0;
}

function setvaluecheckint(strRecVal, bValue)
{
  var ovalue = document.getElementById(strRecVal);
  if(bValue == 1)
    ovalue.checked = true;
  else
    ovalue.checked = false;
}

function assignvalueto(strObjectid,strValue)
{
  var ovalue=document.getElementById(strObjectid);
  ovalue.value = strValue;
}

function transferfocusto(strObjectid)
{
  var ovalue=document.getElementById(strObjectid);
  ovalue.focus();
}

function disablebutton(strObjectid, nState)
{
  var ovalue=document.getElementById(strObjectid);
  ovalue.disabled = nState;
}

function disableobject(strObjectid, nState)
{
  var ovalue=document.getElementById(strObjectid);
  ovalue.disabled = nState;
}

function addHTML(strTDID, strHTML)
{
  var ovalue=document.getElementById(strTDID)
  ovalue.innerHTML = strHTML
}

function getHTML(strTDID)
{
  var ovalue=document.getElementById(strTDID)
  return ovalue.innerHTML
}

function changeImage(strOject, strSource)
{
  var ovalue=document.getElementById(strOject);
  ovalue.src = strSource;		  
}

function pheader(strValue)
{
  return "<FONT color=#000066 size=4><STRONG>" + strValue + "</STRONG></FONT>"
}

function plabel(strValue)
{
  var retString = "<STRONG><FONT face=\"'Times New Roman', Times, serif\" color=#003399>" + strValue + "</FONT></STRONG>"
  return retString
}

function pvalue(strValue)
{
  return "<FONT face='Verdana, Arial, Helvetica, sans-serif' color=#3333cc size=2>" + strValue + "</FONT>"
}