function clearField(elem){
	if(elem.value=="Enter members email address")
		elem.value="";
}


function setEmailType(type){

window.location='delegates_selected.php?type='+type;
	
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

function init() {
  if (window.Event) {
    document.captureEvents(Event.MOUSEMOVE);
  }
  document.onmousemove = getXY;
}

function getXY(e) {
  x = (window.Event) ? e.pageX : event.clientX;
  y = (window.Event) ? e.pageY : event.clientY;
  
x = x + (document.documentElement.scrollLeft ?   document.documentElement.scrollLeft :   document.body.scrollLeft);
y = y + (document.documentElement.scrollTop ?   document.documentElement.scrollTop :   document.body.scrollTop);
  // Use x and y to do what ever you want
}

function display(id){
	document.getElementById(id).style.display='block';
}
function hide(id){
	document.getElementById(id).style.display='none';
}

function hide_or_display(id, value){
	if(value)
		display(id);
	else
		hide(id);
}
/**************** VALIDATION FUNCTIONS ****************/

function validateAddSection(){
	if(document.getElementById('add_section_name').value==""){
		alert("Please enter a name for the new section");
		return false;
	}
	else
		return true;
}
function validateEditSection(){
	if(document.getElementById('edit_section_name').value==""){
		alert("Please enter a new name for the section");
		return false;
	}
	else
		return true;
}

function validateNews(){
	var ret = true;
	if(document.getElementById('author').value==""){
		alert('Please enter an Author');
		ret = false;
	}
	else if(document.getElementById('title').value==""){
		alert('Please enter a title');
		ret = false;
	}
	else if(document.getElementById('date').value==""){
		alert('Please enter a date');
		ret = false;
	}
	else if(document.getElementById('summary').value==""){
		alert('Please enter a summary');
		ret = false;
	}
	else if(document.getElementById('text').value==""){
		alert('Please enter the main text');
		ret = false;
	}
	return ret;
}

function validateRegistration(){
	
	if(!validateEmailAddress('email_address'))
		return false;
	if(!validate())
		return false;
}


//check that all fields with classname 'required' are filled in
function validate(){
var elems=document.getElementsByTagName('input'); 
for(var i=0;i<elems.length;i++){
	if((elems[i].className=='required')&&((elems[i].value=="") || (elems[i].value=="Enter Details"))){
		alert("Please fill in all required fields");
		return false;
	}
}
var elems=document.getElementsByTagName('select'); 
for(var i=0;i<elems.length;i++){
	if((elems[i].className=='required')&&((elems[i].value=="") || (elems[i].value=="Enter Details"))){
		alert("Please fill in all required fields");
		return false;
	}
}

return true;
}

/*** This validation function checks that an email address contains both '@' and '.' **/
function validateEmailAddress(email_address){
var email = document.getElementById(email_address).value;
	if((email.indexOf('@')==-1)||(email.indexOf('.')==-1)){
		alert("Invalid email address");
		return false;
	}
	else
		return true;
}

//Check that two fields have the same values, useful for password changes etc
function validateSame(type, retype){
if(document.getElementById(type).value == document.getElementById(retype).value)
	return true;
else{
	alert("New Passwords do not match.");
	return false;
}
}




/**************** AJAX STUFF **************/


/***** delegate details dropdown stuff ***/
function handleUpdateDelegateDetails() {

  if (http.readyState == 4) {
    // Split the comma delimited response into an array
    results = http.responseText.split(":");
	var id=results[0];
	document.getElementById('delegate_details_'+id).style.display='block';
	document.getElementById('delegate_details_'+id).innerHTML=results[1];
  }  
}

function displayDelegateDetails(delegate_id){
	
	if(document.getElementById('delegate_details_'+delegate_id).style.display=='block'){
 		document.getElementById('delegate_details_'+delegate_id).style.display='none';
		document.getElementById('delegate_details_'+delegate_id).innerHTML='';
	}
	else{
		var url='/ajax/delegateDetails.php?check=suscms&delegate_id='+delegate_id;
		http.open("POST", url, true);
		http.onreadystatechange = handleUpdateDelegateDetails;
		http.send(null);	
	}
	
}

/***** display checkboxes for selecting profession specialities *******/
function handleUpdateSectionBoxes(){
	  if (http.readyState == 4) {
    // Split the comma delimited response into an array
    results = http.responseText;
	document.getElementById('profession_specialities').innerHTML=results;
	  }
}
function updateSectionBoxes(section){
		var url='/ajax/professionboxes.php?check=suscms&section='+section;
		http.open("POST", url, true);
		http.onreadystatechange = handleUpdateSectionBoxes;
		http.send(null);		
}

function professionboxChecked(section, checked){

		var url='/ajax/boxChecked.php?check=suscms&section='+section+'&checked='+checked;
		http.open("POST", url, true);
		http.onreadystatechange = handleAllBoxesChecked;
		http.send(null);		
	
}

function allBoxesChecked(section, checked){
			var elems = document.getElementsByTagName('input');
	if(checked){
		for(var i=0;i<elems.length;i++){
			if(elems[i].name=='professions[]'){
				elems[i].checked=true;
			}
		}
	}
	else{
		for(var i=0;i<elems.length;i++){
			if(elems[i].name=='professions[]'){
				elems[i].checked=false;
			}
		}
	}
		var url='/ajax/allBoxesChecked.php?check=suscms&section='+section+'&checked='+checked;
		http.open("POST", url, true);
		http.onreadystatechange = handleAllBoxesChecked;
		http.send(null);
}
function handleAllBoxesChecked(){
	  if (http.readyState == 4) {
    // Split the comma delimited response into an array
    results = http.responseText;
}
}


/******** Country/County menu stuff **********/
function handleUpdateCountyMenu() {
  if (http.readyState == 4) {
    // Split the comma delimited response into an array
    results = http.responseText.split(":");
	var id=results[0];
    document.getElementById(id).innerHTML=results[1];
  }  
}
function selectCountyMenu(country, county_id, county_menu_name){
	var url='/ajax/countyMenu.php?check=suscms&country='+country+'&county_id='+county_id+'&county_menu_name='+county_menu_name;
	http.open("POST", url, true);
	http.onreadystatechange = handleUpdateCountyMenu;
	http.send(null);	
	
}

/*** updating newsletter in session for preview **/

function handleUpdateNewsletter() {
  if (http.readyState == 4) {
    // Split the comma delimited response into an array
    results = http.responseText;
    alert(results);
  }  
}

function updateNewsletter() {
 	var bod = document.getElementById('body').value;
	var bac = document.getElementById('background_graphic').value;
	var head = document.getElementById('header_graphic').value;
	var repeat = document.getElementById('background_repeat').value;
	
	var url='ajax/newsletter.php?body='+bod+'&background_graphic='+bac+'&header_graphic='+head+'&background_repeat='+repeat;

	http.open("POST", url, true);
	http.onreadystatechange = handleUpdateNewsletter;
	http.send(null);

}

function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject(); // We create the HTTP Object



/***************** JS COOKIES ******************/
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function handleDelegateChecked(){
	  if (http.readyState == 4) {
    // Split the comma delimited response into an array
    results = http.responseText;
  }  
}

function delegateChecked(delegate_id, checked){
		var url='/ajax/delegateChecked.php?check=suscms&delegate_id='+delegate_id+"&checked="+checked;
		http.open("POST", url, true);
		http.onreadystatechange = handleDelegateChecked;
		http.send(null);	
}

function delegatesCheckAll(checked){
	
	var elems = document.getElementsByTagName('input');
	if(checked){
		for(var i=0;i<elems.length;i++){
			if(elems[i].name=='delegate_checked'){
				elems[i].checked=true;
			}
		}
	}
	else{
		for(var i=0;i<elems.length;i++){
			if(elems[i].name=='delegate_checked'){
				elems[i].checked=false;
			}
		}
	}
	delegateChecked(null, checked);
}