$(document).ready(
	function()
	{	
		//set up variables
		var fromname = $("#fromname");
		var toname = $("#toname");
		var fromemail = $("#fromemail");
		var toemail = $("#toemail");
		var message = $("#message");
		
		var checkfromname = $("#checkfromname");
		var checktoname = $("#checktoname");
		var checkfromemail = $("#checkfromemail");
		var checktoemail = $("#checktoemail");
		var processing = $("#processing");
		var buttons = $("#buttons");
		
		var problems = 0;
		
		function init() 
		{
			initVars();
			document.getElementById("fromname").focus();
			writeTextArea();
		}
		
		//fill in the textarea with retained value
		function writeTextArea()
		{
			message.val($("#restoreMessage").val());
		}
		
		//initialize the views
		//using css for checks because we
		//don't want them to show while the page
		//is loading
		function initVars()
		{
			checkfromname.hide();
			checkfromemail.hide();
			checktoname.hide();
			checktoemail.hide();
			
			processing.hide();	
		}
				
		//Be sure the name only includes letters, spaces
		//periods and commas and that's it's at least 5
		//characters long
		function validateName()
		{
			var filter = /^[\w\s.,]*$/i;
			if(fromname.val().length < 5 || !filter.test(fromname.val()))
			{
				
				problems++;
				checkfromname.show();
			}
			
			if(toname.val().length < 5 || !filter.test(toname.val()))
			{
				
				problems++;
				checktoname.show();
			}
		}
		
		//validate email addresss
		function validateEmail()
		{
			var filter = /^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(\+?[\w-]+)?(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i;
			
			if(!filter.test(fromemail.val()))
			{
				problems++;
				checkfromemail.show();
			}
			
			if(!filter.test(toemail.val()))
			{
				problems++;
				checktoemail.show();
			}
		}
				
		//check required fields
		$("#shareForm").submit(
			function(event)
			{
				event.preventDefault();
				
				initVars();

				problems = 0;
				validateName();
				validateEmail();
							
				if(problems == 0) 
				{
					buttons.hide();
					processing.show();

					$.ajax({	
						url: '/sendmail/ajaxrecaptcha',
						data: 'recaptcha_challenge_field=' + $("#recaptcha_challenge_field").val() + "&recaptcha_response_field=" + $("#recaptcha_response_field").val(),
						dataType: 'json',
						type: 'post',
						success: function (response) 
						{								
							if (response.verified == true)
							{			
								var dataString = 'type=' + Base64.encode('share') + '&fromname=' + Base64.encode(fromname.val()) + '&fromemail=' + Base64.encode(fromemail.val());
								dataString += "&toname=" + Base64.encode(toname.val()) + "&toemail=" + Base64.encode(toemail.val()) + '&message=' + Base64.encode(message.val()); 
								dataString += "&url=" + Base64.encode($("#url").val());
								
								sendMail(dataString, "redirect");
							}
							else
							{
								processing.hide(); 
								buttons.show();
								
								$("#checkcaptcha").show();
								
								$("#recaptcha_response_field").val('');
							}	
						},
						error: function(xhr) { processing.hide(); buttons.show(); alert("Captcha Error, please try again later."); }
					});
				}
			}
		);
		
		//close the popup window when this button is clicked
		$("#cancelContact").click(
				function() {
					self.parent.$("#DOMWindow").closeDOMWindow();
				}
	    );
		
		//initialize
		init();
	}
);