/*
** base.js
*/

// detection du nevigateur
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

// determine si le navigateur supporte le DOM W3C
var dom;
dom = (document.getElementById && document.getElementsByTagName)?	true:false;

// gestion des erreurs
var debug = true;
if(!debug && debug !== false) var debug = false;
var dg = {
  "actif": debug,
  "alert": function(e){
    alert("Erreur:\n"+ e);
  }
}
//-------------Fin 

// gestion des actions au chargement de la page
var tabOnLoad = new Array();

function addOnLoad(func){
  if(typeof(func) == "function"){
    tabOnLoad[tabOnLoad.length] = func; 
  }
  else if (dg.actif){
    dg.alert(func +" n'est pas une fonction");
  }
}

function initOnLoad(){
  if(dom){
    for(var i=0; i<tabOnLoad.length; i++){
      tabOnLoad[i]();
    }
  }
}
window.onload = initOnLoad;
//-------------Fin 

// supprime les pointilles sur les liens sous firefox
function supLienPointille(elem){
  if(dom){
    if(elem && getElem(elem)) var tabA = getElem(elem).getElementsByTagName("A");
    else var tabA = document.getElementsByTagName("A");
    for(var i=0; i<tabA.length; i++){
      tabA[i].onfocus = function(){
        this.blur(); 
      }
    }
  }
}
addOnLoad(supLienPointille);

// retourne une reference sur l'element d'id id
function getElem(id){
  if(!dom) return false;
  if (typeof(id) == "string") return document.getElementById(id);
  else if(id.tagName) return id;
  else return false;
}

// verifie une reference sur l'element elem
function verifierElem(elem){ 
  if(!dom) return false;
  if(typeof(elem.tagName) == "string") return true;
  else return false; 
}
//-------------Fin