var xmlHttp
var currentPageNo

function rollPic(id, imgsrc) {
	document.getElementById(id).src=imgsrc;
}

function showRules(page_no, lang)
{
currentPageNo = page_no;
if (page_no==0)
  { 
  document.getElementById("rulesBox").innerHTML="Erreur!";
  return;
  }
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 

var url="includes/getrules.php";
url=url+"?no="+page_no;
url=url+"&lang="+lang;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChangedRules;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChangedRules() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("RulesBox").innerHTML=xmlHttp.responseText;
selectImgRules();
}
}

function selectImgRules() {
	document.getElementById("img_rules_p01").src="/images/rules_p01.gif";
	document.getElementById("img_rules_p02").src="/images/rules_p02.gif";
	document.getElementById("img_rules_p03").src="/images/rules_p03.gif";
	document.getElementById("img_rules_p04").src="/images/rules_p04.gif";
	document.getElementById("img_rules_p05").src="/images/rules_p05.gif";
	document.getElementById("img_rules_p06").src="/images/rules_p06.gif";
	document.getElementById("img_rules_p07").src="/images/rules_p07.gif";
	document.getElementById("img_rules_p08").src="/images/rules_p08.gif";
	document.getElementById("img_rules_p09").src="/images/rules_p09.gif";
	document.getElementById("img_rules_p10").src="/images/rules_p10.gif";
	document.getElementById("img_rules_p11").src="/images/rules_p11.gif";
	document.getElementById("img_rules_p12").src="/images/rules_p12.gif";
	document.getElementById("img_rules_p13").src="/images/rules_p13.gif";
	if ( currentPageNo < 10 ) {
		document.getElementById("img_rules_p0"+currentPageNo).src="/images/rules_p0"+currentPageNo+"_hover.gif";
	} else {
		document.getElementById("img_rules_p"+currentPageNo).src="/images/rules_p"+currentPageNo+"_hover.gif";
	}
}

function setNextButtonLink(no, lang) {
	xmlHttpNext=GetXmlHttpObject();
	if (xmlHttpNext==null){
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="includes/rules_nextbutton.php";
	url=url+"?no="+no;
	url=url+"&lang="+lang;
	url=url+"&sid="+Math.random();
	xmlHttpNext.onreadystatechange=stateChangedRulesNextButton;
	xmlHttpNext.open("GET",url,true);
	xmlHttpNext.send(null);
}

function stateChangedRulesNextButton() { 
	if (xmlHttpNext.readyState==4) { 
		document.getElementById("rulesNextButtonBox").innerHTML=xmlHttpNext.responseText;
	}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}