/***************************/
//@Author: Adrian "yEnS" Mato Gondelle
//@website: www.yensdesign.com
//@email: yensamg@gmail.com
//@license: Feel free to use it, but keep this credits please!					
/***************************/

//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){
		$("#forecastPopupBackground").css({
			"opacity": "0"
		});
		$("#forecastPopupBackground").fadeIn("slow");
		$("#forecastPopup").fadeIn("slow");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(){
	//disables popup only if it is enabled
	if(popupStatus==1){
		$("#forecastPopupBackground").fadeOut("slow");
		$("#forecastPopup").fadeOut("slow");
		popupStatus = 0;
	}
}

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#forecastPopup").height();
	var popupWidth = $("#forecastPopup").width();
	//positioning
	if ($.browser.msie) {
		$("#forecastPopup").css({
  			"position": "absolute",
			"top": 0,
			"left": 290
		});
	} else {
	    $("#forecastPopup").css({
			"position": "absolute",
			"top": 400,
			"left": 290
		});
	}
	//only need force for IE6
	
	$("#forecastPopupBackground").css({
		"height": windowHeight
	});
}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	//LOADING POPUP
	//Click the button event!
	$("a[@id*=button]").click(function(event){
		event.preventDefault();
		var post_file = "full_forecast.php";
		var city_id = $(this).attr('rel');
		$.post(post_file, {city:city_id},
			function(response){
				$('#forecastPopupContent').empty();
				$('#forecastPopupContent').append(response);
				//centering with css
				centerPopup();
				//load popup
				loadPopup();
			}
		);	
	});
				
	//CLOSING POPUP
	//Click the x event!
	$("#forecastPopupClose").click(function(){
		disablePopup();
	});
	//Click out event!
	$("#forecastPopupBackground").click(function(){
		disablePopup();
	});
	//Press Escape event!
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
		}
	});
});