//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

//loading popup with jQuery magic!
function loadPopup(){
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.7"
		});
		$("#backgroundPopup").fadeIn("slow");
		$("#popupContact").fadeIn("slow");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(){
	//disables popup only if it is enabled
	if(popupStatus==1){
		$("#backgroundPopup").fadeOut("slow");
		$("#popupContact").fadeOut("slow");
		popupStatus = 0;
	}
	
	$('#feedback-msg').remove();
}

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#popupContact").height();
	var popupWidth = $("#popupContact").width();
	//centering
	$("#popupContact").css({
		"position": "absolute",
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	
	//LOADING POPUP
	//Click the button event!
	/*
	$("#stream_link").click(function(){
		
		$('#author').val('');
		$('#feedback').val('');
		$('#feedback_type option[value=""]').attr('selected', 'selected');  
		
		//centering with css
		centerPopup();
		//load popup
		loadPopup();
	});
	*/
				
	//CLOSING POPUP
	//Click the x event!
	$("#popupContactClose").click(function(){
		disablePopup();
	});
	//Click out event!
	$("#backgroundPopup").click(function(){
		disablePopup();
	});
	//Press Escape event!
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
		}
	});
	
	$('#feedback_submit').click(SendFeedBack);
});

 
 function SendFeedBack()
 {
 	if(!checkFields())
	{
		alert('please fill all required fields, and try again');
		return false;
	}
	
 	$('#feedback_wrkin').show();
	
 	$.post('./util_scripts/ajax_main.php', {opr:'SaveFeedBack', name:$('#author').val(), type:$('#feedback_type :selected').val(), feedback:$('#feedback').val()}, function(pResult){
		
		$('#feedback_wrkin').hide();
		
		if(pResult.opr_result)
		{
			$('<p class="ajax-success-msg" id="feedback-msg">We recieved your feedback, thanks :)</p>').insertBefore('#feedback_content');
			setTimeout(disablePopup, 2000);
		}
		else
		{
			$('<p class="fail-msg ajax-error-msg" id="feedback-msg">There was an error submitting your feedback, please try again later</p>').insertBefore('#feedback_content');
		}
		
	}, 'json');
	
	return false;
 }
 
 function checkFields()
 {
 	var lResult = true;
	
	if($('#feedback').val() == '')
	{
		lResult = false;
	}
	
	if($('#feedback_type :selected').val() == '')
	{
		lResult = false;
	}
	
	return lResult;
 }