// JavaScript Document
jQuery.cookie = function (key, value, options) {
    
    // key and at least value given, set cookie...
    if (arguments.length > 1 && String(value) !== "[object Object]") {
        options = jQuery.extend({}, options);

        if (value === null || value === undefined) {
            options.expires = -1;
        }

        if (typeof options.expires === 'number') {
            var days = options.expires, t = options.expires = new Date();
            t.setDate(t.getDate() + days);
        }
        
        value = String(value);
        
        return (document.cookie = [
            encodeURIComponent(key), '=',
            options.raw ? value : encodeURIComponent(value),
            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
            options.path ? '; path=' + options.path : '',
            options.domain ? '; domain=' + options.domain : '',
            options.secure ? '; secure' : ''
        ].join(''));
    }

    // key and possibly options given, get cookie...
    options = value || {};
    var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
    return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
};

 var popupStatus = 0;
//loading popup with jQuery magic!
function loadPopup(){
    centerPopup();
	//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;
	}
}

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;  
	var windowHeight = document.documentElement.clientHeight;  
	var windowscrolltop = document.documentElement.scrollTop; 
	var windowscrollleft = document.documentElement.scrollLeft; 
	var popupHeight = $("#popupContact").height();
	var popupWidth = $("#popupContact").width();
	var toppos = windowHeight/2-popupHeight/2+windowscrolltop;
	var leftpos = windowWidth/2-popupWidth/2+windowscrollleft;
	//centering
	$("#popupContact").css({
		"position": "absolute",
		"top": toppos,
		"left": leftpos
	});
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	disablePopup();
	$.cookie("anewsletter", "1", { expires: 7 });
	
}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	if ($.cookie("anewsletter") != 1) {	
		//centering with css
		
		//load popup
		setTimeout("loadPopup()",5000);	
	}		
	//CLOSING POPUP
	//Click the x event!
	$("#popupContactClose").click(function(){
		disablePopup();
		$.cookie("anewsletter", "1", { expires: 7 });
	});
	//Click out event!
	$("#backgroundPopup").click(function(){
		disablePopup();
		$.cookie("anewsletter", "1", { expires: 7 });
	});
	//Press Escape event!
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
			$.cookie("anewsletter", "1", { expires: 7 });
		}
	});

});