function getBody(content) 
{
   test = content.toLowerCase();    // to eliminate case sensitivity
   var x = test.indexOf("<body");
   if(x == -1) return "";

   x = test.indexOf(">", x);
   if(x == -1) return "";

   var y = test.lastIndexOf("</body>");
   if(y == -1) y = test.lastIndexOf("</html>");
   if(y == -1) y = content.length;    // If no HTML then just grab everything till end

   return content.slice(x + 1, y);   
} 

/**
	Loads a HTML page
	Put the content of the body tag into the current page.
	Arguments:
		url of the other HTML page to load
		id of the tag that has to hold the content
*/		

function loadHTML(url, fun, storage, param)
{
	var xhr = createXHR();
	xhr.onreadystatechange=function()
	{ 
		if(xhr.readyState == 4)
		{
			//if(xhr.status == 200)
			{
				storage.innerHTML = getBody(xhr.responseText);
				fun(storage, param);
			}
		} 
	}; 

	xhr.open("GET", url , true);
	xhr.send(null); 

} 

	/**
		Callback
		Assign directly a tag
	*/		


	function processHTML(temp, target)
	{
		target.innerHTML = temp.innerHTML;
	}

	function loadWholePage(url)
	{
		var y = document.getElementById("storage");
		var x = document.getElementById("displayed");
		loadHTML(url, processHTML, x, y);
	}	


	/**
		Create responseHTML
		for acces by DOM's methods
	*/	
	
	function processByDOM(responseHTML, target)
	{
		// target.innerHTML = "Extracted by id:<br />"; - WT what is this for?
		target.innerHTML = "";
		// does not work with Chrome/Safari
		//var message = responseHTML.getElementsByTagName("div").namedItem("two").innerHTML;
		var message = responseHTML.getElementsByTagName("div").item(1).innerHTML;
		
		target.innerHTML += message;

		//target.innerHTML += "<br />Extracted by name:<br />"; - WT what is this for?
		target.innerHTML += "";
		//message = responseHTML.getElementsByTagName("form").item(0);
		//target.innerHTML += message.dyn.value;
	}
	
	function accessByDOM(url)
	{
		//var responseHTML = document.createElement("body");	// Bad for opera
		var responseHTML = document.getElementById("storage");
		var y = document.getElementById("displayed");
		loadHTML(url, processByDOM, responseHTML, y);
		initAddThis();
		
	}
	
	  function initAddThis() 
     {
          addthis.init('http://s7.addthis.com/js/250/addthis_widget.js#username=xa-4cbf2d2f359bc282&domready=1')
     }
  

/*
	function PrintContent()
	{

	var DocumentContainer = document.getElementById('displayed');
	var WindowObject = window.open('', 'PrintWindow', 'width=750,height=650,top=50,left=50,toolbars=no,scrollbars=yes,status=no,resizable=yes');
	WindowObject.document.writeln(DocumentContainer.innerHTML);
	WindowObject.document.close();
	WindowObject.focus();
	WindowObject.print();
	WindowObject.close();

	}
	*/