function init_jquery()
{
	$(".add_colleague").click(
		function()
		{
			colleague_number++; 
			$("#colleagues_table").append("<tr><td align='right'>Colleague "+colleague_number+" Name:</td><td><input class='field_1' type='text' name='colleagues["+colleague_number+"][name]' value='' maxlength='255'/></td></tr><tr><td align='right'>Colleague "+colleague_number+" Email:</td><td><input class='field_1' type='text' name='colleagues["+colleague_number+"][email]' value='' maxlength='255'/></td></tr>");		
					
			}
		)

	$("#who_was_there").click(
		function()
		{
			document.getElementById("who_was_there_block").style.display = "block";
			document.getElementById("comments_block").style.display = "none";
			document.getElementById("people_thought_block").style.display = "none";
			document.getElementById("anecdotes_block").style.display = "none";
			
			$(this).toggleClass("selected_tab");
			
			$("#comments").removeClass("selected_tab");
			$("#comments").addClass("tab");
			
			$("#people_thought").removeClass("selected_tab");
			$("#people_thought").addClass("tab");
			
			$("#anecdotes").removeClass("selected_tab");
			$("#anecdotes").addClass("tab");
		}
	)

	$("#comments").click(
		function()
		{
			document.getElementById("who_was_there_block").style.display = "none";
			document.getElementById("comments_block").style.display = "block";
			document.getElementById("people_thought_block").style.display = "none";
			document.getElementById("anecdotes_block").style.display = "none";
			
			$(this).toggleClass("selected_tab");
			
			$("#who_was_there").removeClass("selected_tab");
			$("#who_was_there").addClass("tab");
			
			$("#people_thought").removeClass("selected_tab");
			$("#people_thought").addClass("tab");
			
			$("#anecdotes").removeClass("selected_tab");
			$("#anecdotes").addClass("tab");
		}
	)
	
		$("#people_thought").click(
		function()
		{
			document.getElementById("who_was_there_block").style.display = "none";
			document.getElementById("comments_block").style.display = "none";
			document.getElementById("people_thought_block").style.display = "block";
			document.getElementById("anecdotes_block").style.display = "none";
			
			$(this).toggleClass("selected_tab");
			
			$("#comments").removeClass("selected_tab");
			$("#comments").addClass("tab");
			
			$("#who_was_there").removeClass("selected_tab");
			$("#who_was_there").addClass("tab");
						
			$("#anecdotes").removeClass("selected_tab");
			$("#anecdotes").addClass("tab");
		}
	)
	
	$("#anecdotes").click(
		function()
		{
			document.getElementById("who_was_there_block").style.display = "none";
			document.getElementById("comments_block").style.display = "none";
			document.getElementById("people_thought_block").style.display = "none";
			document.getElementById("anecdotes_block").style.display = "block";
			
			$(this).toggleClass("selected_tab");
						
			$("#comments").removeClass("selected_tab");
			$("#comments").addClass("tab");
			
			$("#people_thought").removeClass("selected_tab");
			$("#people_thought").addClass("tab");
			
			$("#who_was_there").removeClass("selected_tab");
			$("#who_was_there").addClass("tab");
		}
	)
	
	
	
	$("#member_list").click(
		function()
		{			
			var event_id = $("#e_id").val();
			var member_type = $("#m_member_type").val();
			
			if (!event_id) 
			{
				alert("Please select an event!");
				return false;
			}
			if (!member_type)
			{
				alert("Please select a member type!");
				return false;
			}
			
			if (document.getElementById("presented").checked == false && document.getElementById("absent").checked == false)
			{
				alert("Please check presented or absent members!");
				return false;
			}
			
			var group = "";
			if (document.getElementById("presented").checked == true) group = "presented";
			else group = "absent";
			
			display_member_list(event_id, group, member_type);
		}
	)
	
		$("#n_member_list").click(
		function()
		{			
			var member_type = $("#m_member_type").val();
			
			if (!member_type)
			{
				alert("Please select a member type!");
				return false;
			}
			
			var group = "";
			var event_id = "";			
			
			display_member_list(event_id, group, member_type);
		}
	)
		
		$("#tickets_quantity").change(
		function()
		{			
			var tickets_quantity = $("#tickets_quantity").val();
			var one_ticket_tax = $("#one_ticket_tax").val();
			
			$("#ticket_tax").val(tickets_quantity*one_ticket_tax);
		}
	)
	
	$("#member_tickets_quantity").change(
		function()
		{			
			var member_tickets_quantity = $("#member_tickets_quantity").val();
			var member_one_ticket_tax = $("#member_one_ticket_tax").val();
			
			$("#member_ticket_tax").val(member_tickets_quantity*member_one_ticket_tax);
		}
	)

	return false;
} 



//==========================================================================================
function displayColleagues(elem)
{
	var colleagues_elem = document.getElementById("colleagues");
	if (elem.value == "corporate")
	{
		colleagues_elem.style.display = "block";
	}
	else
		colleagues_elem.style.display = "none";
}

//==========================================================================================
function display_member_list(event_id, group, member_type)
{	
	$.getJSON(
		selfURL+'?page=get_members',
		{'event_id' : event_id, 'group' : group, 'member_type' : member_type},
		
		function(data)
		{													       			
      $("#member_list_block").empty();			
      if (data.members != "")
			{	
	      $.each(data.members, function(i,item)
		      {
		      	$("#member_list_block").append("<tr><td style='width: 200px;'><a href='"+selfURL+"?page=edit_member&member_id="+item.member_id+"' title='Edit the member'>"+item.first_name+" "+item.surname+"</a></td><td>"+item.email+"</td></tr>");          		
		      }
	      );		      
	    }
	    else alert("There no members.");     	
	  }
      
	);
}

//==========================================================================================