// JavaScript Document


function GestOngl (nTab) {

		
		for (i = 0 ; i<6 ; i++) {
			document.getElementById("Content_" + i ).style.display = "none";
			document.getElementById("menu_" + i ).style.backgroundColor= '#DEDEDD';
			document.getElementById("menu_" + i ).style.borderColor = '#CCC';
			document.getElementById("menu_" + i ).style.color = '#666666';

		}
		document.getElementById("Content_" + nTab).style.display = "";
		document.getElementById("menu_" + nTab ).style.backgroundColor = '#5D5C5C';
		document.getElementById("menu_" + nTab ).style.borderColor = '#5D5C5C';
		document.getElementById("menu_" + nTab ).style.color = '#FFFFFF';

		
		
		return;
	}
	
function Sleep(time) {
	d=new Date();
	diff = 0;
	while (diff < time) {
		n=new Date();
		diff=n-d;
	}
}

function wait2()
{
	document.getElementById("cache").style.display = "none";
}

function wait() 
{
		setTimeout('pre_toggle()',50);
}

function pre_toggle()
{
	document.getElementById("cache").style.display = "none";
	toggle();
}

function toggle() {

	  var active = -1;
	  for (i=0;i<3;i++) {
		 if( document.getElementById("roll"+i).style.display != "none" ) {
			 active = i;
		 }
		 document.getElementById("roll"+i).style.display="none";
		 document.getElementById("puce"+i).src = "/img/puce_off.png";
	  }
	  if (active < 2) {
	  	  active += 1;
		  document.getElementById("roll"+active).style.display="block";
		  document.getElementById("puce"+active).src = "/img/puce_on.png";
	  }
	  else {
		  document.getElementById("roll"+0).style.display="block";
		  document.getElementById("puce"+0).src = "/img/puce_on.png";
	  }
	  t = setTimeout('toggle()',4000);
}

function change_roll(num)
	{
		var num;
		for (i=0;i<3;i++) { document.getElementById("roll"+i).style.display="none";
							document.getElementById("puce"+i).src = "/img/puce_off.png";}
		document.getElementById("roll"+num).style.display="block";
		document.getElementById("puce"+num).src = "img/puce_on.png";	
		document.getElementById("stop0").style.display = "none";
		document.getElementById("stop1").style.display = "block";
		clearTimeout(t);
		
	}

function toggleStop() {
	var t;
	  clearTimeout(t);
	  active = -1;
	  for (i=0;i<2;i++) {
		 if( document.getElementById("stop"+i).style.display != "none" ) {
			 active = i;
		 }
		 document.getElementById("stop"+i).style.display = "none";
	  }
	  if (active < 1) {
	  	  active += 1;
		  document.getElementById("stop"+active).style.display = "block";
	  }
	  else {
		  document.getElementById("stop"+0).style.display = "block";
		  t = setTimeout('toggle()',1000);
	  }
}

function toggleRewind() { 
	clearTimeout(t);
	document.getElementById("stop"+0).style.display="none";
	document.getElementById("stop"+1).style.display="block";
	var active = -1;
	for (i=0;i<3;i++) {
		if( document.getElementById("roll"+i).style.display != "none" ) {
			active = i;
		}
		document.getElementById("roll"+i).style.display="none";
		document.getElementById("puce"+i).src = "/img/puce_off.png";
	}
	if (active > 0) {
	  	active -= 1;
		document.getElementById("roll"+active).style.display="block";
		document.getElementById("puce"+active).src = "/img/puce_on.png";
	}
	else {
		document.getElementById("roll"+2).style.display="block";
		document.getElementById("puce"+2).src = "/img/puce_on.png";
	}
	Sleep(1);
}

function toggleForward() {
	clearTimeout(t);
	document.getElementById("stop"+0).style.display="none";
	document.getElementById("stop"+1).style.display="block";
	var active = -1;
	for (i=0;i<3;i++) {
		if( document.getElementById("roll"+i).style.display != "none" ) {
			 active = i;
		}
		document.getElementById("roll"+i).style.display="none";
		document.getElementById("puce"+i).src = "/img/puce_off.png";
	}
	if (active < 2) {
	  	active += 1;
	  	document.getElementById("roll"+active).style.display="block";
		document.getElementById("puce"+active).src = "/img/puce_on.png";
	}
	else {
		document.getElementById("roll"+0).style.display="block";
		document.getElementById("puce"+0).src = "/img/puce_on.png";
	}
	Sleep(1);
}


function chargement(page)
   {
		change_page(page);
}
	
	
 function change_page(url)
  {
  var xhr_object = null;
  var position = 'principal';
  if (url==null) {return false;}
  if(window.XMLHttpRequest) xhr_object = new XMLHttpRequest();
  else
  if (window.ActiveXObject) xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
 
  // On ouvre la requete vers la page désirée
  xhr_object.open("GET", url, true);
  xhr_object.onreadystatechange = function(){
  if ( xhr_object.readyState == 4 )
  {
  // j'affiche dans la DIV spécifiées le contenu retourné par le fichier
  document.getElementById(position).innerHTML = xhr_object.responseText;
  }
  }
  // dans le cas du get
  xhr_object.send(null);

  }