var building;
	var pos  = 0;

	function tryLogin(){
	
		var params = 'user='+ document.getElementById('username').value +'&pass='+document.getElementById('password').value;
		
		new Ajax.Request(
			'login.php',
			{
				parameters : params,
				method : 'post',
				onComplete : function(response){
					if(response.responseText == 'logged')
					{
						window.location = window.location.href;
					}
					else{
						alert("Invalid username or password!");
					}
				}
			}
		);
		
	}
	
	
	
	function loadBuilding( id )
	{
		var params = 'id=' + id;
		building = id;
		new Ajax.Request(
			'building.php',
			{
				method : 'post',
				parameters : params,
				onComplete : function(response)
				{
					
					var response = response.responseText;
					document.getElementById('content').innerHTML = response.toString();
					addBack();
					back[getLast()] = (response.responseText);
				}
			}
		);
	}
	
	
	
	
	function loadApp( id )
	{
		var params = 'id=' + id;
		
		new Ajax.Request(
			
			'appartment.php',
			{
				method : 'post',
				parameters : params,
				onComplete : function( response )
				{
					
					document.getElementById('content').innerHTML = (response.responseText).toString();
					initLightbox();
					addBack();
					back[getLast()] = (response.responseText);
				}
				
			});
	}

	var remember;

	function loadApp2( id )
	{
		remember = document.getElementById('content').innerHTML;
		var params = 'id=' + id;
		
		new Ajax.Request(
			
			'appartment2.php',
			{
				method : 'post',
				parameters : params,
				onComplete : function( response )
				{
					
					document.getElementById('content').innerHTML = (response.responseText).toString();
					initLightbox();
					
					
				}
				
			});
	}

	function doBack(){
		document.getElementById('content').innerHTML = remember;
	}
	
	
	
	
	function loadRegister()
	{
		new Ajax.Request('register.php',{
			method : 'post',
			onComplete: function( response )
			{
				document.getElementById('content').innerHTML = (response.responseText).toString();
				var f = document.getElementById('registerForm');
				var a = f.getElementsByTagName('input');
				
				for(var i = 0; i < a.length; i++)
				{
					if(a[i].type == 'text' || a[i].type == 'password')
					{
						a[i].style.width = '250px';
					}
				}
			}
		});
		
	}
	
	
	function Confirm()
	{
		var f = document.getElementById('registerForm');

		
		var username = f.getElementsByTagName('input')[0].value;
		var pass1    = f.getElementsByTagName('input')[1].value;
		var pass2    = f.getElementsByTagName('input')[2].value;
		var full     = f.getElementsByTagName('input')[3].value;
		var country  = f.getElementsByTagName('input')[4].value;
		var city     = f.getElementsByTagName('input')[5].value;
		var email    = f.getElementsByTagName('input')[6].value;
		
		var params  = "username=" + username + "&pass1=" + pass1 + "&pass2=" + pass2 + "&full=" + full + "&country=" + country + "&city=" + city + "&email=" + email;
		
		new Ajax.Request(
		'register_user.php',
		{
			method : 'post',
			parameters: params,
			onComplete : function(response)
			{
				document.getElementById('message').innerHTML = response.responseText;
				
				if(((response.responseText).toString()).search(/successfully/) != -1){
					setTimeout('redir()',2000);
				}
			}
		});
		
	}
	
	
	function redir()
	{
		window.location = 'property_management.php';
	}
	
	
	
	function SendDetails()
	{
		var name  = document.getElementById('full_name').value;
		var phone = document.getElementById('phone').value;
		var email = document.getElementById('mail').value;
		var mess  = document.getElementById('mess').value;
		
		var params = 'name=' + name + '&phone=' + phone + '&email=' + email + '&message=' + mess;
		
		
		new Ajax.Request(
		'contact_us.php',
		{
			method : 'post',
			parameters : params,
			onComplete : function(response)
			{
				document.getElementById('message').innerHTML = response.responseText;
			}
		});
	}
	
	
	function goBack()
	{
		
	}
	
	function addBack()
	{
	}
	
	function getLast()
	{
		
	}
	
	function histories()
	{
		
	}
	
	
	function bBack()
	{
		loadBuilding(building);
	}