/***************************/
//@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){
		$("#backgroundPopup").css({
			"opacity": "0.7"

		});
		$("#backgroundPopup").fadeIn("slow");
		$("#popupContact").fadeIn("slow");
		$("#city").attr('disabled','disabled');
		$("#street").attr('disabled','disabled');
		$("#town").attr('disabled','disabled');
		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;
	}
}

// Прокрутка по Y
 function getScrollY()
{
    scrollY = 0;
    if (typeof window.pageYOffset == "number") {
        scrollY = window.pageYOffset;
    } else if (document.documentElement && document.documentElement.scrollTop) {
        scrollY = document.documentElement.scrollTop;
    }  else if (document.body && document.body.scrollTop) {
        scrollY = document.body.scrollTop;
    } else if (window.scrollY) {
        scrollY = window.scrollY;
    }
    return scrollY;
}

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = (window.innerWidth ? window.innerWidth : (document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.offsetWidth));;
	var windowHeight = (window.innerHeight ? window.innerHeight : (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.offsetHeight));
	var popupHeight = $("#popupContact").height();
	var popupWidth = $("#popupContact").width();
	var left = parseInt((screen.availWidth/2) - (popupWidth/2));
	var top = parseInt((screen.availHeight/2) - (popupHeight/2));


	//centering
	$("#popupContact").css({
		"position": "absolute",
		"top": getScrollY()+40,
		"left": Math.round(windowWidth/2-popupWidth/2)
	});

	//only need force for IE6

	$("#backgroundPopup").css({
		"height": windowHeight*3
	});

}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function(){

	//LOADING POPUP
	//Click the button event!
	$("#button").click(function(){
		//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();
		}
	});

});