var XMLHttpRequestObject = false;


if(window.XMLHttpRequest)
{
	XMLHttpRequestObject = new XMLHttpRequest();
}
else if(window.ActiveXObject) 
{
	XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
}


function ShowMessage(src)
{
	document.getElementById(src).style.visibility = 'visible';
} 


function LoadData(id)
{
	if(XMLHttpRequestObject)
	{
		switch(id)
		{
			case 0:
				XMLHttpRequestObject.open("GET", "./handler/default.html");						
			break;
			
			case 1:
				XMLHttpRequestObject.open("GET", "./handler/menu1.html");						
			break;
	
			case 2:
				XMLHttpRequestObject.open("GET", "./handler/menu2.html");				
			break;
	
			case 3:
				XMLHttpRequestObject.open("GET", "./handler/menu3.html");				
			break;
			
			case 4:
				XMLHttpRequestObject.open("GET", "./handler/menu4.html");				
			break;
			
			case 5:
				XMLHttpRequestObject.open("GET", "./handler/menu5.html");				
			break;
			
			case 6:
				XMLHttpRequestObject.open("GET", "./handler/menu6.html");				
			break;
			
			case 7:
				XMLHttpRequestObject.open("GET", "./handler/menu7.html");				
			break;
			
			case 8:
				XMLHttpRequestObject.open("GET", "./handler/menu8.html");				
			break;
			
			case 9:
				XMLHttpRequestObject.open("GET", "./handler/menu9.html");				
			break;
			
			default:				
				return;
		}	

		XMLHttpRequestToLocation('result', 1);
	}
}


function LoadPicture(src)
{
	if(XMLHttpRequestObject)
	{		
		if(src == -1)
		{
			var url = "./pic/spa/form.html";
		 		
			XMLHttpRequestObject.open("GET", url);										
			XMLHttpRequestToLocation('picture', 1);
		}
		else 
		{
			var url = "./pic/spa/" + src + ".html";
		 		
			XMLHttpRequestObject.open("GET", url);										
			XMLHttpRequestToLocation('picture', 1);
		}
	}
}


function LoadPictureFromPHP(menuID, picID)
{
	if(XMLHttpRequestObject)
	{		
		if(menuID == -1, picID == -1)
		{
			var url = "./pic/spa/form.html";
		 		
			XMLHttpRequestObject.open("GET", url);										
			XMLHttpRequestToLocation('picture', 1);
		}
		else 
		{
			var url = "./pic/spa/handler.php?menu="+menuID+"&pic="+picID;
		 		
			XMLHttpRequestObject.open("GET", url);										
			XMLHttpRequestToLocation('picture', 1);
		}
	}
}


function XMLHttpRequestToLocation(src, type)
{
	XMLHttpRequestObject.onreadystatechange = function()
	{
		if(XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
		{
		 	if(type == 1)
		 	{
				var div = document.getElementById(src);				
				div.innerHTML = XMLHttpRequestObject.responseText;
			}
			
			if(type == 2)
			{
				var div = document.getElementById(src);				
				var picture = XMLHttpRequestObject.responseText;
				var tag = "<img src=\"" + picture + "\" alt=\"\">";
				div.innerHTML = tag; 
			}				
		}
	}

	XMLHttpRequestObject.send(null);
}