$(document).ready(function(){
	
	$("#login_authentication,#login,#login_fp").click(function(){
		$("#register_dialog").fadeOut("slow");
		$("#forgot_password_dialog").fadeOut("slow");
		
		//Display popup for register restaurant
		$(".background_popup").css({  
			"opacity": "0.7"  
		});  
		$(".background_popup").fadeIn("slow");  
		$("#login_dialog").fadeIn("slow");
		//request data for centering  
		var windowWidth = document.documentElement.clientWidth;  
		var windowHeight = document.documentElement.clientHeight;  
		var popupHeight = $("#login_dialog").height();  
		var popupWidth = $("#login_dialog").width();  
		//centering  
		$("#login_dialog").css({
			"position": "absolute",  
			"top": windowHeight/2-popupHeight/2,  
			"left": windowWidth/2-popupWidth/2  
		});  
		//only need force for IE6  
	   
		$(".background_popup").css({  
			"height": windowHeight  
		});
	});
	
	$("#register_authentication,#register,#register_fp").click(function(){
		$("#login_dialog").fadeOut("slow");
		$("#forgot_password_dialog").fadeOut("slow");
		
		//Display popup for register restaurant
		$(".background_popup").css({  
			"opacity": "0.7"  
		});  
		$(".background_popup").fadeIn("slow");  
		$("#register_dialog").fadeIn("slow");
		//request data for centering  
		var windowWidth = document.documentElement.clientWidth;  
		var windowHeight = document.documentElement.clientHeight;  
		var popupHeight = $("#register_dialog").height();  
		var popupWidth = $("#register_dialog").width();  
		//centering  
		$("#register_dialog").css({
			"position": "absolute",  
			"top": windowHeight/2-popupHeight/2,  
			"left": windowWidth/2-popupWidth/2  
		});  
		//only need force for IE6  
	   
		$(".background_popup").css({  
			"height": windowHeight  
		});
	});
	
	$("#forgot_password_authentication").click(function(){
		$("#login_dialog").fadeOut("slow");
		$("#register_dialog").fadeOut("slow");
		
		//Display popup for forgot password
		$(".background_popup").css({  
			"opacity": "0.7"  
		});  
		$(".background_popup").fadeIn("slow");  
		$("#forgot_password_dialog").fadeIn("slow");
		//request data for centering  
		var windowWidth = document.documentElement.clientWidth;  
		var windowHeight = document.documentElement.clientHeight;  
		var popupHeight = $("#forgot_password_dialog").height();  
		var popupWidth = $("#forgot_password_dialog").width();  
		//centering  
		$("#forgot_password_dialog").css({
			"position": "absolute",  
			"top": windowHeight/2-popupHeight/2,  
			"left": windowWidth/2-popupWidth/2  
		});  
		//only need force for IE6  
	   
		$(".background_popup").css({  
			"height": windowHeight  
		});
	});
	
	$(".popup_close").click(function(){
		$(".popup").fadeOut("slow");
		$(".background_popup").fadeOut("slow");
	});
});