//
// AJAX functions.
//

function ra_expand (field) {
  try {
    var url= document.getElementById(field).getAttribute('url');
    url = url + '&action=expand';
	// debug_alert("sending URL "+url);

    dojo.io.bind({
      url: url,
      load: function(type, data, evt) { ra_action(field, data, 'expand'); },
      error: function(type, error) { ra_error (type, error); },
      mimetype: "text/plain"
    });
   } catch (e) {
    ;
   }
}

function ra_collapse (field) {
  try {
    var url= document.getElementById(field).getAttribute('url');
    url = url + '&action=collapse';
	// debug_alert("sending URL "+url);
  
    dojo.io.bind({
      url: url,
      load: function(type, data, evt) { ra_action(field, data, 'collapse'); },
      error: function(type, error) { ra_error (type, error); },
      mimetype: "text/plain"
    });
   } catch (e) {
    ;
   }
}

function ra_more(field) {
  var url= document.getElementById(field).getAttribute('url');
  url = url + '&action=more';
  
  dojo.io.bind({
    url: url,
    load: function(type, data, evt) { ra_action(field, data); },
    mimetype: "text/plain"
  });
}

// callback function for RA actions - expand, collapse and more.
function ra_action (field,data,action) {
  try {
    var target = document.getElementById(field);
  
    document.getElementById("tmp_ajax").innerHTML=data;
  
    if (target !=null && action == 'expand') {
        target.innerHTML=document.getElementById("tmp_" + field).innerHTML;
        target.style.display='';
        target.style.visiblility='visible';
    } 
   } catch (e) {
    ;
   }
}

// ra error handling function
function ra_error (type, error) {
  try {
    var form = document.getElementById("summary_navigation");
  
    if (form != null) {
        form.submit();
    }
  } catch (e) {
      ;
  }
}

function ra_showRefinePanel (field) {
  var url= document.getElementById(field).getAttribute('url');
  url = url + '&action=showRefinePanel';

	// debug_alert("sending URL "+url);
  dojo.io.bind({
    url: url,
    load: function(type, data, evt) { ra_panel_action(field, data, 'showRefinePanel'); },
    mimetype: "text/plain"
  });
}

function ra_hideRefinePanel (field) {
  var url= document.getElementById(field).getAttribute('url');
  url = url + '&action=hideRefinePanel';
  
	// debug_alert("sending URL "+url);
  dojo.io.bind({
    url: url,
    load: function(type, data, evt) { ra_panel_action(field, data, 'hideRefinePanel'); },
    mimetype: "text/plain"
  });
}
// callback function for RA actions - expand, collapse and more.
function ra_panel_action (field,data,action) {
  var target = document.getElementById(field);
  
  document.getElementById("tmp_ajax").innerHTML=data;
  
  if (target && action == 'show') {
      target.innerHTML=document.getElementById("tmp_" + field).innerHTML;
      target.getElementById(field).style.display='';
      target.getElementById(field).style.visiblility='visible';
  } 
	// debug_alert("finished panel action");
}


function daisy_action_clearall (url) {
  //var url= url;
  
  var message = "dojo url is " + url ;

  
  dojo.io.bind({
    url: url,
    load: function(type, data, evt) { },
    mimetype: "text/plain"
  });
}

// used for ajax "status update" calls that need no error checking
//   and provide no useful data back 
function simple_update_action (url) {
  //var url= url;
  
  var message = "dojo url is " + url ;

  // debug_alert(message);  
  dojo.io.bind({
    url: url,
    load: function(type, data, evt) { },
    mimetype: "text/plain"
  });
}

// method to save the form data asynchronously. 
function saveForm (formId) {

	// debug_alert( 'in saveForm');
  if (formId == null) {
      return false;
  }
  
  var form = dojo.byId(formId);
  
  if (form == null) {
      return false;
  }
  
  var url = null;
  
  url = form.getAttribute('auto_save_url');
  
  if (url == null) {
      return false;
  }
  
  var sid = document.forms[formId].elements["SID"].value;
  var product = document.forms[formId].elements["product"].value;
  var search_mode = document.forms[formId].elements["search_mode"].value;
  
  url = url + '&SID=' + sid + '&product=' + product + '&search_mode=' + search_mode;
  
  try {
    dojo.io.bind({
      url: url,
      sync: false,
      formNode: form,
      mimetype: "text/plain"
    });
  }  catch (e)  {
    return false;
  }
  
  return false;
}

// For DIIDW-CHEM to handle Chime plugin
function saveDCRForm (formId) {

	// debug_alert( 'in saveForm');
  if (formId == null) {
      return false;
  }
  
  var form = dojo.byId(formId);
  
  if (form == null) {
      return false;
  }
  
  var url = null;
  
  url = form.getAttribute('auto_save_url');
  
  if (url == null) {
      return false;
  }
  
  var sid = document.forms[formId].elements["SID"].value;
  var product = document.forms[formId].elements["product"].value;
  var search_mode = document.forms[formId].elements["search_mode"].value;
  
  url = url + '&SID=' + sid + '&product=' + product + '&search_mode=' + search_mode;
  var newForm=form.cloneNode(true);
  //this is a huge bug in JAVASCRIPT,cloneNode loses form field states in IE6 & IE7 
  newForm.innerHTML=form.innerHTML;
  
  for(var i=0;i<newForm.elements.length;i++){
	var v=newForm.elements[i].value;
	var t=newForm.elements[i].type;
   	if(typeof v == 'undefined'){		 
		 newForm.elements[i].value="";
    }
	if(t == null){
		newForm.elements[i].type="unknown";
	}   	
  }
  //here we handle the radio input
  for(var i=0;i<newForm.elements.length;i++){
	var v=newForm.elements[i].value;
	var t=newForm.elements[i].type;
	var c=newForm.elements[i].checked;
	var n=newForm.elements[i].name;
	
	if(t=='radio' && c==false){
		newForm.elements[i].name="ignore";
	}
	//debug_alert( 'SHANG3.3:v:'+v+':t:'+t+':checked:'+newForm.elements[i].checked+':n:'+newForm.elements[i].name);
  }
  
  
  try {
    dojo.io.bind({
      url: url,
      sync: false,
      formNode: newForm,
      mimetype: "text/plain"
    });
  }  catch (e)  {
    return false;
  }
  
  return false;
}

// For radio button persistent problem
function saveRadioForm (formId) {

	// debug_alert( 'in saveForm');
  if (formId == null) {
      return false;
  }
  
  var form = dojo.byId(formId);
  
  if (form == null) {
      return false;
  }
  
  var url = null;
  
  url = form.getAttribute('auto_save_url');
  
  if (url == null) {
      return false;
  }
  
  var sid = document.forms[formId].elements["SID"].value;
  var product = document.forms[formId].elements["product"].value;
  var search_mode = document.forms[formId].elements["search_mode"].value;
  
  url = url + '&SID=' + sid + '&product=' + product + '&search_mode=' + search_mode;

  for(var i=0;i<form.elements.length;i++){
	var v=form.elements[i].value;
	var t=form.elements[i].type;
	var c=form.elements[i].checked;
	var n=form.elements[i].name;
	
	if(typeof v == 'undefined'){		 
		 form.elements[i].value="";
    }
	if(t == null){
		form.elements[i].type="unknown";
	}
	if(t=='radio') {
	    if (c==false && n != 'period'){
		    form.elements[i].name="ignore";
		}
	}
	//debug_alert( 'SHANG3.3:v:'+v+':t:'+t+':checked:'+newForm.elements[i].checked+':n:'+newForm.elements[i].name);
	
  }
  
  
  try {
    dojo.io.bind({
      url: url,
      sync: false,
      formNode: form,
      mimetype: "text/plain"
    });
  }  catch (e)  {
    return false;
  }
  
  return false;
}

// method to execute a form-based asynchronous task
function postAsyncForm(formId, urlAttrName) {

  var handler = function(data) { };

  formDataHandlerAction( formId, handler, urlAttrName );
}


function formDataHandlerAction(formId, sdhaHandler, urlAttrName) {

  // debug_alert("formDataHandlerAction starting with "+sdhaHandler);
  if ( sdhaHandler == null )
	sdhaHandler = function(data) { document.write( data ); };

  var form = null;

  if (formId != null) {
	form = dojo.byId(formId);
  }
  
  if (form == null) {
      return false;
  }
  
  // debug_alert( 'got form by id '+formId );

  var url = null;

  if ( urlAttrName == null )
	urlAttrName = "url";

  url = form.getAttribute( urlAttrName );
  if (url == null || url.length < 1) {
      return false;
  }
  
  var newForm;
  if ( navigator.userAgent.indexOf('Safari')>0 ) {
	newForm = form;
  } else {
	var newForm=form.cloneNode(true);
	for(var i=0;i<newForm.elements.length;i++){
		var v=newForm.elements[i].value;
		var t=newForm.elements[i].type;
	   	if(typeof v == 'undefined'){		 
			 newForm.elements[i].value="";
		 }
   		if(t == null){
			newForm.elements[i].type="unknown";
		}   	
    }
  }
  
  // debug_alert( 'formDataHandlerAction posting form at '+url );
  try {
    dojo.io.bind({
      url: url,
      sync: true,
      formNode: newForm,
      mimetype: "text/plain",
      load: function(type, data, evt) { 
		// debug_alert('found data:' + data); 
		sdhaHandler( data ); 
	}
    });
  }  catch (e)  {
    return false;
  }
  
  return false;
}

function postAsyncCheckboxForm(formId, urlAttrName) {

  var handler = function(data) { };

  checkboxFormDataHandlerAction( formId, handler, urlAttrName );
}


function checkboxFormDataHandlerAction(formId, sdhaHandler, urlAttrName) {

  // debug_alert("formDataHandlerAction starting with "+sdhaHandler);
  if ( sdhaHandler == null )
	sdhaHandler = function(data) { document.write( data ); };

  var form = null;

  if (formId != null) {
	form = dojo.byId(formId);
  }
  
  if (form == null) {
      return false;
  }
  
  // debug_alert( 'got form by id '+formId );

  var url = null;

  if ( urlAttrName == null )
	urlAttrName = "url";

  url = form.getAttribute( urlAttrName );
  if (url == null || url.length < 1) {
      return false;
  }
  
  if ( navigator.userAgent.indexOf('Safari')>0 ) {

  } else {
	for(var i=0;i<form.elements.length;i++){
		var v=form.elements[i].value;
		var t=form.elements[i].type;
	   	if(typeof v == 'undefined'){		 
			 form.elements[i].value="";
		 }
   		if(t == null){
			form.elements[i].type="unknown";
		}   	
    }
  }
  
  // debug_alert( 'formDataHandlerAction posting form at '+url );
  try {
    dojo.io.bind({
      url: url,
      sync: true,
      formNode: form,
      mimetype: "text/plain",
      load: function(type, data, evt) { 
		// debug_alert('found data:' + data); 
		sdhaHandler( data ); 
	}
    });
  }  catch (e)  {
    return false;
  }
  
  return false;
}

function old_async_update_ml() {
  var url = null;
  var element = document.getElementById('ml_count');
  if ( element ) {
    url = element.getAttribute('url');
  }

  if ( url ) {
    var summary_records_form = document.forms["summary_records_form"];

    if ( summary_records_form ) {
      url += '&update_indicators=true';
    }
	 debug_alert("async_update_ml sending URL "+url);
    dojo.io.bind({
      url: url,
      load: function(type, data, evt) { handle_ml_data( data ); },
      mimetype: "text/plain"
    });
  }
}

// accepts a handler function that takes one argument, the data...
function simpleDataHandlerAction( url, sdhaHandler ) {

// debug_alert("simpleDataHandlerAction starting with "+sdhaHandler);
  if ( sdhaHandler == null )
	sdhaHandler = function(data) { document.write( data ); };

  if ( url ) {
//	debug_alert("simpleDataHandlerAction sending URL "+url);
    dojo.io.bind({
      url: url,
      load: function(type, data, evt) { 
		// debug_alert('found data:' + data); 
		sdhaHandler( data ); 
	},
      mimetype: "text/plain"
    });
  }
}

// Chem Full Record Navigation 
function chem_fullrec_navigation(url,mode)
{
	if ( url ) {

    dojo.io.bind({
      url: url,
      load: function(type, data, evt) { 
		chem_fullrec_data_handler(data,mode); 
	},
      mimetype: "text/plain"
    });
   
   }
}