/**
 * @author Administrator
 */


var xmlHttp
var Effect;


function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}




function isEmailValid(email)
{
	
	valid = true;
	
	apos = email.indexOf("@");
	dotpos = email.lastIndexOf(".");
	
	if (apos<1||dotpos-apos<2) 
	{
	    valid = false;		
	}		
	
	return valid;

}
    
	

function subscribeToMailingList()
{

	if (document.mailing_form.email.value == "" || document.mailing_form.email.value == "e-mail address" || !isEmailValid(document.mailing_form.email.value))
	{
		alert("Please provide a valid e-mail address!");
	}
	else {
	
		email = document.mailing_form.email.value;
		
		document.getElementById("subscribe_box").innerHTML = "<p><img src=\"images/loader.gif\" alt=\"Loading Indicator\" /> Please Wait</p>";
		
		xmlHttp = GetXmlHttpObject()
		
		if (xmlHttp == null) {
			alert("Your browser does not support AJAX!");
			return;
		}
		
		var url = "php/ajax/subscribeToMailingList.php?email=" + email;
		url = url + "&sid=" + Math.random();
		xmlHttp.onreadystatechange = subscribed;
		xmlHttp.open("GET", url, true);
		xmlHttp.send(null);
		
	}

} 



function subscribed() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("subscribe_box").innerHTML=xmlHttp.responseText;
	}
}


function unsubscribeFromMailingList()
{

	if (document.mailing_form.email.value == "" || document.mailing_form.email.value == "e-mail address" || !isEmailValid(document.mailing_form.email.value))
	{
		alert("Please provide a valid e-mail address!");
	}
	else {
	
		email = document.mailing_form.email.value;
		
		document.getElementById("subscribe_box").innerHTML = "<img src=\"images/loader.gif\" alt=\"Loading Indicator\" /> Please Wait";
		
		xmlHttp = GetXmlHttpObject()
		
		if (xmlHttp == null) {
			alert("Your browser does not support AJAX!");
			return;
		}
		
		var url = "php/ajax/unsubscribeFromMailingList.php?email=" + email;
		url = url + "&sid=" + Math.random();
		xmlHttp.onreadystatechange = unsubscribed;
		xmlHttp.open("GET", url, true);
		xmlHttp.send(null);
		
	}

} 



function unsubscribed() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("subscribe_box").innerHTML=xmlHttp.responseText;
	}
}

	
    


function popup(page)
{
	window.open(page,'newwindow','scrollbars=yes,status=no,width=400,height=182')
}



function validate_signup_form()
{
    
	msg = "";
    valid = true;

    if ( document.signup_form.name.value == "" )
    {
		msg = msg + "You must enter your name.\n";
        valid = false;
    }   	
	
    if ( document.signup_form.captcha_code.value == "" )
    {
		msg = msg + "You must enter the security code.\n";		
        valid = false;
    }   	

	
	if (document.signup_form.email.value != "")
	{
	
		apos = document.signup_form.email.value.indexOf("@");
		dotpos = document.signup_form.email.value.lastIndexOf(".");
		
		if (apos < 1 || dotpos - apos < 2)
		{
			msg = msg + "The email address entered is not valid.\n";		
			valid = false;
		}
		
	}
	
	if(document.signup_form.email.value == "")
    {
		msg = msg + "You must provide your email address.\n";		
        valid = false;
    }   	
	
	if(document.signup_form.password.value == "" || document.signup_form.password2.value == "")
    {
		msg = msg + "You must choose a password.\n";		
        valid = false;
    }   		
	
	if(document.signup_form.password.value != document.signup_form.password2.value)
    {
		msg = msg + "Your passwords do not match.\n";		
        valid = false;
    }   	

	if(valid == false)       
	{
        alert (msg);		
	}
	   
	showLoader(valid);   

    return valid;
	
}

function validate_login_form()
{
    
	msg = "";
    valid = true;

    if ( document.login_form.login_email.value == "" )
    {
		msg = msg + "You must enter your email address.\n";
        valid = false;
    }   
	
    if ( document.login_form.login_password.value == "" )
    {
		msg = msg + "You must enter your password.\n";
        valid = false;
    }   
		

	if(valid == false)       
	{
        alert (msg);		
	}
	
	showLoader(valid);   

    return valid;
	
}



function validate_search_events_form()
{
    
	msg = "";
    valid = true;

    if ( document.search_events_form.event_search.value == "" || document.search_events_form.event_search.value == " " || document.search_events_form.event_search.value == "Search events..." )
    {
		msg = msg + "You didn't tell us what to search for.\n";
        valid = false;
    }   
		

	if(valid == false)       
	{
        alert (msg);		
	}
	   
	showLoader(valid);

    return valid;
	
}


function validate_submitgroup_form()
{
    
	msg = "";
    valid = true;

    if ( document.submitgroup_form.name.value == "" || document.submitgroup_form.descr.value == "" )
    {
		msg = msg + "Please complete all fields marked with an asterisk *.\n";
        valid = false;
    }   	
	

	if(valid == false)       
	{
        alert (msg);		
	}
	
	showLoader(valid);   

    return valid;
	
}

function validate_submitgroupimage_form()
{
    
	msg = "";
    valid = true;

    if ( document.submitgroupimage_form.imagefile.value == "" )
    {
		msg = msg + "Please complete all fields marked with an asterisk *.\n";
        valid = false;
    }   	
	

	if(valid == false)       
	{
        alert (msg);		
	}
	
	showLoader(valid);   

    return valid;
	
}


function validate_submitevent_form()
{
    
	msg = "";
    valid = true;

    if ( document.submitevent_form.title.value == "" || document.submitevent_form.descr.value == "" || document.submitevent_form.date.value == "" || document.submitevent_form.descr.value == "dd/mm/yyyy" || document.submitevent_form.venue.value == "" )
    {
		msg = msg + "Please complete all fields marked with an asterisk *.\n";
        valid = false;
    }   	
	

	if(valid == false)       
	{
        alert (msg);		
	}
	   
	showLoader(valid);

    return valid;
	
}


function validate_event_review_form()
{
    
	var i;
	i=0;
	
	for (var i=0; i < document.event_review_form.review_type.length; i++)
    {
    	if (document.event_review_form.review_type[i].checked)
      	{
      		rad_val = document.event_review_form.review_type[i].value;
        }

    }
	
	//////
	
	
	msg = "";
    valid = true;

    if ( document.event_review_form.comments.value == "" )
    {
		msg = msg + "Please complete all fields marked with an asterisk *.\n";
        valid = false;
    }   	
	

	if(valid == false)       
	{
        alert (msg);		
	}
	   
	showLoader(valid);

    return valid;
	
}

function validate_submitphotos_form()
{
    
	msg = "";
    valid = true;

    if ( document.submitphotos_form.title.value == "" || document.submitphotos_form.descr.value == "" )
    {
		msg = msg + "Please complete all fields marked with an asterisk *.\n";
        valid = false;
    }   	
	

	if(valid == false)       
	{
        alert (msg);		
	}
	
	showLoader(valid);   

    return valid;
	
}

function showLoader(valid)
{
	if(valid==true)
	{
		document.getElementById('loading_overlay').style.display = 'block';
		//document.getElementById('overlay_message').style.display = 'block';
	}

}

function validate_contact_form()
{
    
	msg = "";
    valid = true;

    if ( document.contact_form.message.value == "" )
    {
		msg = msg + "You must enter a message.\n";
        valid = false;
    }   
	
    if ( document.contact_form.name.value == "" )
    {
		msg = msg + "You must enter your name.\n";
        valid = false;
    }   	
	
    if ( document.contact_form.captcha_code.value == "" )
    {
		msg = msg + "You must enter the security code.\n";		
        valid = false;
    }   	

	
	if (document.contact_form.email.value != "")
	{
	
		apos = document.contact_form.email.value.indexOf("@");
		dotpos = document.contact_form.email.value.lastIndexOf(".");
		
		if (apos < 1 || dotpos - apos < 2)
		{
			msg = msg + "The email address entered is not valid.\n";		
			valid = false;
		}
		
	}
	
	if(document.contact_form.email.value == "" && document.contact_form.tel.value == "")
    {
		msg = msg + "You must enter either your telephone number or email address.\n";		
        valid = false;
    }   	

	if(valid == false)       
	{
        alert (msg);		
	}
	
	showLoader(valid);
	   

    return valid;
	
}

function confirmBox(message, page)
{
	
	if(confirm(message))
	{
		location.href = page;
	}
		
}


function nextGroupEventsPage(group_id, page)
{
		//document.getElementById("group_events").style.display = "none";
		
		document.getElementById("group_events").innerHTML = "<div id=\"loading_overlay_small\"><span>Please Wait</span></div>";
		
		xmlHttp = GetXmlHttpObject()
	
		if (xmlHttp==null)
		{
			alert ("Your browser does not support AJAX!");
			return;
		} 
		
		var url = "php/ajax/nextGroupEventsPage.php?group_id=" + group_id;
		url = url + "&page=" + page;
		url = url + "&sid=" + Math.random();
		xmlHttp.onreadystatechange = groupEventsPageNexted;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
	
		
} 

function groupEventsPageNexted() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("group_events").innerHTML = xmlHttp.responseText;
		//document.getElementById("group_events").style.display = "block";
	}
}

function nextGroupPhotosPage(group_id, page)
{
		//document.getElementById("group_photos").style.display = "none";
		
		document.getElementById("group_photos").innerHTML = "<div id=\"loading_overlay_small\"><span>Please Wait</span></div>";
		
		xmlHttp = GetXmlHttpObject()
	
		if (xmlHttp==null)
		{
			alert ("Your browser does not support AJAX!");
			return;
		} 
		
		var url = "php/ajax/nextGroupPhotosPage.php?group_id=" + group_id;
		url = url + "&page=" + page;
		url = url + "&sid=" + Math.random();
		xmlHttp.onreadystatechange = groupPhotosPageNexted;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
	
		
} 

function groupPhotosPageNexted() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("group_photos").innerHTML = xmlHttp.responseText;
		//document.getElementById("group_photos").style.display = "block";
	}
}

function validate_editaccount_form()
{
    
	msg = "";
    valid = true;

    if ( document.editaccount_form.name.value == "" || document.editaccount_form.email.value == "" )
    {
		msg = msg + "Please complete all fields marked with an asterisk *.\n";
        valid = false;
    }   	
	

	if(valid == false)       
	{
        alert (msg);		
	}
	   
	showLoader(valid);

    return valid;
	
}

function editPassword()
{
		document.getElementById('edit_password_link').innerHTML = "<img src=\"images/loader.gif\" alt=\"Loading Indicator\" />";										
		xmlHttp = GetXmlHttpObject()
		
		if (xmlHttp == null) {
			alert("Your browser does not support AJAX!");
			return;
		}
		
		var url = "php/ajax/editPassword.php?action=show";
		url = url + "&sid=" + Math.random();
		xmlHttp.onreadystatechange = passwordEdited;
		xmlHttp.open("GET", url, true);
		xmlHttp.send(null);
		
} 

function passwordEdited() 
{ 

	if (xmlHttp.readyState==4)
	{ 
		document.getElementById('password').innerHTML=xmlHttp.responseText;

	}
}


function updatePassword()
{
	
	pwd1 = document.getElementById('password_field').value;
	pwd2 = document.getElementById('repeat_password_field').value;		
	
	if(pwd1 != pwd2 || pwd1=="" || pwd2=="" || pwd1==" ")
	{
		alert('Passwords do not match.');	
	}
	else
	{
		document.getElementById('password').innerHTML = "<img src=\"images/loader.gif\" alt=\"Loading Indicator\" />";										
		xmlHttp = GetXmlHttpObject()
		
		if (xmlHttp == null) {
			alert("Your browser does not support AJAX!");
			return;
		}
		
		var url = "php/ajax/editPassword.php?action=update";
		url = url + "&password=" + pwd1;
		url = url + "&sid=" + Math.random();
		xmlHttp.onreadystatechange = passwordEdited;
		xmlHttp.open("GET", url, true);
		xmlHttp.send(null);			
	}	
		
} 


function validate_password_retrieval_form()
{
    
	msg = "";
    valid = true;

    if ( document.password_retrieval_form.retrieval_email.value == "" )
    {
		msg = msg + "Please complete all fields marked with an asterisk *.\n";
        valid = false;
    }   	
	

	if(valid == false)       
	{
        alert (msg);		
	}
	
	showLoader(valid);   

    return valid;
	
}