// cross navigator functions
	
var isIE =  ((navigator.userAgent.indexOf("MSIE") > -1) ? true : false);
var isMac =  ((navigator.userAgent.indexOf("Mac") > -1) ? true : false);
var isGecko = ((navigator.userAgent.indexOf("Gecko") > -1) ? true : false);

var isDOM = (document.getElementById ? true : false); 
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);
var isDyn = (isDOM || isIE4 || isNS4);

function getTag(id){
 if (isDOM) return document.getElementById(id);
 if (isIE4) return document.all[id];
 if (isNS4) return document.layers[id];
}

function getTagStyle(id){
 return (isNS4 ? getTag(id) : getTag(id).style);
}


//*************************************************************	
// pour allumer
//*************************************************************

  function allumer(e, value) {
        $(e).css('opacity',value);
  }

	
//*****************************************************************
// pour afficher les div "page d'accueil"
//*****************************************************************
var a_l_ecran_actuellement = 0;

function efface() {

    if (a_l_ecran_actuellement == 1) {
	getTagStyle("philoword").display = "none";
	getTagStyle("philoon").display = "none";
    getTagStyle("actu02").display = "block";
    getTagStyle("show").display = "block";
    getTagStyle("annonce").display = "block";
	getTagStyle("bloc02").display = "block";
	getTagStyle("bloc01").display = "block";
	}
	
    if (a_l_ecran_actuellement == 2) {
	getTagStyle("activiteword").display = "none";
	getTagStyle("activiteon").display = "none";
    getTagStyle("actu02").display = "block";
    getTagStyle("show").display = "block";
    getTagStyle("annonce").display = "block";
	getTagStyle("bloc02").display = "block";
	getTagStyle("bloc01").display = "block";
	}
	
    if (a_l_ecran_actuellement == 3) {
	getTagStyle("clientword").display = "none";
	getTagStyle("clienton").display = "none";
    getTagStyle("actu02").display = "block";
    getTagStyle("show").display = "block";
    getTagStyle("annonce").display = "block";
	getTagStyle("bloc02").display = "block";
	getTagStyle("bloc01").display = "block";
	}
	
    if (a_l_ecran_actuellement == 4) {
	getTagStyle("contacton").display = "none";
    getTagStyle("actu02").display = "block";
    getTagStyle("show").display = "block";
    getTagStyle("annonce").display = "block";
	getTagStyle("bloc02").display = "block";
	getTagStyle("bloc01").display = "block";
	}
	
    if (a_l_ecran_actuellement == 5) {
    getTagStyle("annonce").display = "block";
	getTagStyle("bloc02").display = "block";
	getTagStyle("bloc01").display = "block";
	}
	
	a_l_ecran_actuellement == 0;

}

function affiche(choix) {

   if (choix == 1 && getTagStyle("philoword").display != "block" && getTagStyle("philoon").display != "block") {
	    efface();
    	getTagStyle("philoword").display = "block";
    	getTagStyle("philoon").display = "block";
    	getTagStyle("actu02").display = "none";
    	getTagStyle("show").display = "none";
    	getTagStyle("annonce").display = "none";
    	getTagStyle("clientword").display = "none";
    	getTagStyle("clienton").display = "none";
		getTagStyle("contacton").display = "none";
		getTagStyle("bloc02").display = "none";
		getTagStyle("bloc01").display = "none";
    	a_l_ecran_actuellement = 1;
		return;
	}
  
  	if (choix == 2 && getTagStyle("activiteword").display != "block" && getTagStyle("activiteon").display != "block") {
	    efface();
    	getTagStyle("activiteword").display = "block";
    	getTagStyle("activiteon").display = "block";
    	getTagStyle("actu02").display = "none";
    	getTagStyle("show").display = "none";
    	getTagStyle("annonce").display = "none";
    	getTagStyle("clientword").display = "none";
    	getTagStyle("clienton").display = "none";
		getTagStyle("contacton").display = "none";
		getTagStyle("bloc02").display = "none";
		getTagStyle("bloc01").display = "none";
    	a_l_ecran_actuellement = 2;
		return;
  	}
  
  	if (choix == 3 && getTagStyle("clientword").display != "block" && getTagStyle("clienton").display != "block") {
	    efface();
    	getTagStyle("clientword").display = "block";
    	getTagStyle("clienton").display = "block";
    	getTagStyle("actu02").display = "none";
    	getTagStyle("show").display = "none";
    	getTagStyle("annonce").display = "none";
		getTagStyle("contacton").display = "none";
		getTagStyle("bloc02").display = "none";
		getTagStyle("bloc01").display = "none";
    	a_l_ecran_actuellement = 3;
		return;
  	}
  
  	if (choix == 4 && getTagStyle("contacton").display != "block") {
	    efface();
    	getTagStyle("contacton").display = "block";
    	getTagStyle("actu02").display = "none";
    	getTagStyle("show").display = "none";
    	getTagStyle("annonce").display = "none";
    	getTagStyle("clientword").display = "none";
    	getTagStyle("clienton").display = "none";
		getTagStyle("bloc01").display = "none";
    	a_l_ecran_actuellement = 4;
		return;
  	}
  
  	if (choix == 5 && getTagStyle("annonce").display != "block") {
	    efface();
    	getTagStyle("actu02").display = "block";
    	getTagStyle("show").display = "block";
    	getTagStyle("annonce").display = "block";
    	getTagStyle("clientword").display = "none";
    	getTagStyle("clienton").display = "none";
		getTagStyle("bloc01").display = "none";
    	a_l_ecran_actuellement = 5;
		return;
  	}

  return;
}
//*************************************************************
//*****************************************************************
// pop up
//*****************************************************************

function openNewWindow(URLtoOpen, windowName, windowFeatures) {
	if (windowFeatures.search(/scrollbars/) == -1) {
		windowFeatures = windowFeatures + ",scrollbars=0";
	}
	if (windowFeatures.search(/toolbar/) == -1) {
		windowFeatures = windowFeatures + ",toolbar=0";
	}
	if (windowFeatures.search(/titlebar/) == -1) {
		windowFeatures = windowFeatures + ",titlebar=0";
	}
	if (windowFeatures.search(/status/) == -1) {
		windowFeatures = windowFeatures + ",status=0";
	}
	if (windowFeatures.search(/resizable/) == -1) {
		windowFeatures = windowFeatures + ",resizable=0";
	}
	if (windowFeatures.search(/location/) == -1) {
		windowFeatures = windowFeatures + ",location=0";
	}
	if (windowFeatures.search(/left/) == -1) {
		windowFeatures = windowFeatures + ",left=0";
	}
	if (windowFeatures.search(/top/) == -1) {
		windowFeatures = windowFeatures + ",top=0";
	}
	window.open(URLtoOpen, windowName, windowFeatures); 
}
// -->