//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;
	}
}


//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/3-popupHeight/3,
		"left":  windowWidth/4-popupWidth/4
	});
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){
	
	//LOADING POPUP
	//Click the button event!
	
		//centering with css
		centerPopup();
		//load popup
		var cookie_persistence_days = 1;
	popNotOpenedYet = true;

	if (document.cookie.indexOf("popupContact=") != -1) { popNotOpenedYet = false; }
	if(popNotOpenedYet) {
		loadPopup();
		popNotOpenedYet = false;
		var expiry_date = new Date();
		expiry_date.setDate(expiry_date.getDate() + cookie_persistence_days);
		document.cookie = "popupContact=1;expires=" + expiry_date.toGMTString();
	}
			
	//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();
		}
	});

});