var ie = document.all ? true : false;
var ns = (document.getElementById && !document.all)? true : false;
function GetE( elementId ){
	return document.getElementById( elementId )  ;
}
function onoff(nom){
	if(GetE(nom)){
		if(GetE(nom).style.display=='none'){
			GetE(nom).style.display='block';
		}
		else{
			GetE(nom).style.display='none';
		}
	}
}
function afficheTTP(code){
	for(i=0;i<tabTTP.length;i++){
		if(code==tabTTP[i]){
			GetE('divTTP'+tabTTP[i]).style.display='block'
		}
		else{
			GetE('divTTP'+tabTTP[i]).style.display='none'
		}
	}
}
var act="/img_communes/espaceur.gif"

function onOffImg( onoff, monImage,monTitre,nb)
{
	if(onoff=="on"){
		if(monImage!=act){
			act=monImage
			GetE('imgzoom').style.display='block'
			//GetE('contenu').style.display='none'
			positionnerLayer('imgzoom',nb);
		}
		else{
			monImage="/img_communes/espaceur.gif"
			act=monImage
			GetE('imgzoom').style.display='none'
			//GetE('contenu').style.display='block'
		}
			
	}
	else{
		monImage="/img_communes/espaceur.gif"
		act=monImage
		GetE('imgzoom').style.display='none'
		GetE('contenu').style.display='block'
	}
	document.zoom.src=monImage
	document.zoom.alt=monTitre
	if(monTitre){
		GetE("legende").innerHTML = monTitre;
	}
	else{
		GetE("legende").innerHTML = "";
	}
}
function positionnerLayer(couche, nb){

   if (ns) {
    var pos = document.anchors['position'+ nb];
    with (document.getElementById(couche).style) {
      top = getTop(pos);
      
      display = 'block';
    }
  }
  else if (ie) {
    var pos = document.all['position'+ nb];
    with (document.getElementById(couche).style) {
      posTop = getTop(pos);
     
      display = 'block';
    }
  }
}
function getLeft(l){
  if (l.offsetParent) return (l.offsetLeft + getLeft(l.offsetParent));
  else return (l.offsetLeft);
}
function getTop(l){
  if (l.offsetParent) return (l.offsetTop + getTop(l.offsetParent));
  else return (l.offsetTop);
}

var pagerefresh="";
function recharger(pag,tps) {
	pagerefresh=pag;
	setTimeout("recharge()", tps*1000);
}
function recharge() {
	document.location.href=pagerefresh;
}

function getHTTPObject() {
	var xmlhttp;
	/*@cc_on
	@if (@_jscript_version >= 5)
	try {
	xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
	try {
	xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	} catch (E) {
	xmlhttp = false;
	}
	}
	@else
	xmlhttp = false;
	@end @*/
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		try {
			xmlhttp = new XMLHttpRequest();
		} catch (e) {
			xmlhttp = false;
		}
	}
	return xmlhttp;
}
var http = getHTTPObject();
function unAlpha(elem)
{
	if (elem)
	{
		var child	= elem.parentNode.firstChild;
		if (child)
		{
			var tmp		= null;
			while (child != null)
			{
				if (child.innerHTML && child.id != cur_home_element)
				{
					child.firstChild.style.opacity = '0.5';
					child.firstChild.style.filter = 'alpha(opacity = 50)';
				}
				tmp		= child;
				child	= child.nextSibling;
			}
		}
		elem.firstChild.style.opacity = '1.0';
		elem.firstChild.style.filter = 'alpha(opacity = 100)';
	}
}