function createHttpObject()
{
	var xmlHttp;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
	try
	{
		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch (e)
	{
	try
	{
		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	catch (e)
	{
		alert("Your browser does not support AJAX!");
		return false;
	}
}
}
	return xmlHttp;
}

var myHttpReq;

function loadPage(idx)
{
	
	myHttpReq=createHttpObject();
	myHttpReq.onreadystatechange=displayChange;

	myHttpReq.open("GET","index-"+idx+".html",true);
	myHttpReq.send(null);	
	

};


function pushB1(){

	loadPage(0);

}

function pushB2(){

	loadPage(1)

}

function pushB3(){

	loadPage(2)

}

function pushB4(){

	loadPage(3);

}

function pushGF(){
	loadPage(4);
}


function displayChange(){
	
	if(myHttpReq.readyState==4){
		
		//if(myHttpReq.status==200){
			
			var content=myHttpReq.responseText;
			var hidden=document.getElementById('hidden');
			hidden.innerHTML=getBody(content);

			var container=document.getElementById('content');
			container.innerHTML=document.getElementById('pageContent').innerHTML;
			hidden.innerHTML="";


		//}		

	}

}

function getBody(content) 
{ 
   var x = content.indexOf("<body");
   x = content.indexOf(">", x);    
   var y = content.lastIndexOf("</body>"); 
   return content.slice(x + 1, y);
} 

function getContent(content, target)
{
   target.innerHTML =  getBody(content);
}


var rotate_delay = 3000; // delay in milliseconds (5000 = 5 secs)
current = 0;
function next() {

	if (document.slideform.slide[current+1]) {
		
		document.images.show.src = document.slideform.slide[current+1].value;
		document.slideform.slide.selectedIndex = ++current;
   	}
	else {

	first();
	
	}
}

function previous() {
	
	if (current-1 >= 0) {
		document.images.show.src = document.slideform.slide[current-1].value;
		document.slideform.slide.selectedIndex = --current;
   }
	else last();
}
function first() {
	current = 0;
	document.images.show.src = document.slideform.slide[0].value;
	document.slideform.slide.selectedIndex = 0;
}
function last() {
	current = document.slideform.slide.length-1;
	document.images.show.src = document.slideform.slide[current].value;
	document.slideform.slide.selectedIndex = current;
}
function ap(text) {
	document.slideform.slidebutton.value = (text == "Stop") ? "Start" : "Stop";
	rotate();
}
function change() {
	current = document.slideform.slide.selectedIndex;
	document.images.show.src = document.slideform.slide[current].value;
}
function rotate() {
	if (document.slideform.slidebutton.value == "Stop") {
		current = (current == document.slideform.slide.length-1) ? 0 : current+1;
		document.images.show.src = document.slideform.slide[current].value;
		document.slideform.slide.selectedIndex = current;
		window.setTimeout("rotate()", rotate_delay);
   }
}