$(document).ready(function() {
	var popupStatus = 0;
	
	function loadPopup(){
		if(popupStatus==0){
			$("#backgroundPopup").css({
			"opacity": "0.7"
			});
			$("#backgroundPopup").fadeIn("slow");
			$("#popupContact").fadeIn("slow");
			popupStatus = 1;
		}
	}
	function disablePopup(){

	if(popupStatus==1){
	$("#backgroundPopup").fadeOut("slow");
	$("#popupContact").fadeOut("slow");
	popupStatus = 0;
	}
	}
	function centerPopup(){  

	var windowWidth = document.documentElement.clientWidth;  
	var windowHeight = document.documentElement.clientHeight;  
	var popupHeight = $("#popupContact").height();  
	var popupWidth = $("#popupContact").width();  

	$("#popupContact").css({  
	"position": "absolute",  
	"top": windowHeight/2-popupHeight/2,  
	"left": windowWidth/2-popupWidth/2  
	});  
	}
	$("#popupContactClose").click(function(){
	disablePopup();
	});
	$("#backgroundPopup").click(function(){
	disablePopup();
	});
	$(".button").click(function(){
		$csoport_id = this.rel;
		centerPopup();
		loadPopup();
	});
});