//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){
		jEdu("#backgroundPopup").css({
			"opacity": "0.9"
		});
		jEdu("#backgroundPopup").fadeIn("fast");
		jEdu("#popupContact").fadeIn("fast");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(){
	//disables popup only if it is enabled
	if(popupStatus==1){
		jEdu("#backgroundPopup").fadeOut("slow");
		jEdu("#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 = jEdu("#popupContact").height();
	var popupWidth = jEdu("#popupContact").width();
	//centering
	jEdu("#popupContact").css({
		//"position": "absolute",
		//"top": windowHeight/2-popupHeight/2+document.body.offsetHeight,
		//"left": windowWidth/2-popupWidth/2
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	jEdu("#backgroundPopup").css({
		//"height": windowHeight
		"height": "100%"

	});
	
}

//CONTROLLING EVENTS IN jQuery
jEdu(document).ready(function(){
	var dominioLength="http://www.educationduepuntozero.it/".length;
	var urlDoc=""+window.location;
	var sezione=urlDoc.substring(dominioLength).split("/")[0];
	
	//LOADING POPUP
	//Click the button event!
	jEdu("#btnIscriviti").click(function(){
		//centering with css
		centerPopup();
		//load popup
		loadPopup();
	});
	if(sezione != "Registrazione" && sezione != "utenti"){		
	//CLOSING POPUP
	//Click the x event!
	jEdu("#popupContactClose").click(function(){
		disablePopup();
	});
	//Click out event!
	jEdu("#backgroundPopup").click(function(){
		disablePopup();
	});
	//Press Escape event!
	jEdu(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
		}
	});
	}

});