//functions.js
//Create a boolean variable to check for a valid IE instance.
var xmlhttp = false;

//Check if we are using IE.
try 
{
	//If the javascript version is greater than 5.
	xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} 
catch (e) 
{
	//If not, then use the older active x object.
	try 
	{
		//If we are using IE.
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	} 
	catch (E) 
	{
		//Else we must be using a non-IE browser.
		xmlhttp = false;
	}
}

//If we are using a non-IE browser, create a JavaScript instance of the object.
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') 
{
	xmlhttp = new XMLHttpRequest();
}


function showPicture(value) 
{
	//The location we are loading the page into.
	var objID = "picture";
	//Change the current image of the minus or plus.
	
	//The page we are loading.
	var serverPage = "picture.php?id="+value;
	//Set the open close tracker variable.		
	var obj = document.getElementById(objID);
	xmlhttp.open("GET", serverPage);
	xmlhttp.onreadystatechange = function() 
	{
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200) 
		{
			obj.innerHTML = xmlhttp.responseText;
			
		}
	}
	xmlhttp.send(null);
	 	
}