/*
 * Copyleft(c) 2006, Guillaume Chomat
 *
 * for more information about the project.<br>
 * Wraps the mxGraph thin client up for a single inclusion into the
 * calling HTML page as in:
 * <pre>
 * <script type="text/javascript" src="js/webClient.js"></script>
 * </pre>
 *
 */
 
 /* Initialise the behaviours of the site */

		
 
var webClient = {

	/**
	 *
	 */
	VERSION: '1.0 Alpha',

	/**
	 *
	 */
	IS_IE: navigator.appName.toUpperCase() == 'MICROSOFT INTERNET EXPLORER',
  	
	/**
	 *
	 */
  	IS_NS: navigator.appName == 'Netscape',

	/**
	 *
	 */
  	IS_MAC: navigator.userAgent.toUpperCase().indexOf('MACINTOSH') > 0,

	/**
	 * Adds a script to the document header.
	 */
	isBrowserSupported: function() {
		return true;
	},

	/**
	 * Adds a script to the document header.
	 */
	link: function(rel, href) {
		var head = document.getElementsByTagName('head')[0];
		var link = document.createElement('link');
		link.setAttribute('rel', rel);
		link.setAttribute('href', href);
		link.setAttribute('charset', 'ISO-8859-1');
		link.setAttribute('type', 'text/css');
   		head.appendChild(link);
	},

	/**
	 * Adds a script to the document header.
	 */
	include: function(src) {
		if (webClient.IS_IE) {
			document.write('<script src="'+src+'"></script>');
		} else {
			var head = document.getElementsByTagName('head')[0];
			var script = document.createElement('script');
			script.setAttribute('type', 'text/javascript');
			script.setAttribute('src', src);
	   		head.appendChild(script);
	   	}
	},
	
	writeCookie:function (name, value, arguments) {
		var argv=arguments
		if(arguments==null) {
			argv=new Array();
		}
		var argc=arguments.length;
		var expires=(argc > 1) ? argv[0] : null;
		var path=(argc > 2) ? argv[1] : null;
		var domain=(argc > 3) ? argv[2] : null;
		var secure=(argc > 4) ? argv[3] : false;
		document.cookie=name+"="+escape(value)+
		((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
		((path==null) ? "" : ("; path="+path))+
		((domain==null) ? "" : ("; domain="+domain))+
		((secure==true) ? "; secure" : "");
	},
	getCookieValue: function(offset) {
		var endstr=document.cookie.indexOf (";", offset);
		if (endstr==-1) endstr=document.cookie.length;
		return unescape(document.cookie.substring(offset, endstr));
	},
	readCookie: function(nom) {
		var arg=nom+"=";
		var alen=arg.length;
		var clen=document.cookie.length;
		var i=0;
		while (i<clen) {
			var j=i+alen;
			if (document.cookie.substring(i, j)==arg) return webClient.getCookieValue(j);
				i=document.cookie.indexOf(" ",i)+1;
			if (i==0) break;
		}
		return null;
	},
   	afficheMotAccueil : function () {
      	var $_mot_accueil=$('#mot_accueil');
	 	if($_mot_accueil.size()>0) {
			$_mot_accueil.slideDown();
		}
	},
    cacheMotAccueil : function () {
    	$('#mot_accueil').slideUp() ;
	},
	stripTables: function() {
      if(!document.getElementsByTagName) return false ;
      var tables = document.getElementsByTagName("table");
      for(var i=0;i<tables.length;i++) {
        var odd=false;
        var rows=tables[i].getElementsByTagName("tr");
        for(var j=0;i<rows.length;j++) {
          if(odd=true) {
            rows[j].style.backgroundColor="#ffc";
            odd=false;
          } else {
            odd=true;
          }
        }  
      }
    }, 
	init: function() {
		$('#bouton_fermeture').click(function(event){
			$('#mot_accueil').slideUp();
			event.stopPropagation();
			event.preventDefault();
		});
		$('#affiche_mot_accueil').click(function(event){
			$('#mot_accueil').slideDown();
			event.stopPropagation();
			event.preventDefault();
		});
		$(document).ready(function(event) {
			var $_mot = $('#splash') ;
          	if($_mot.size()>0) {
             	$_mot.addClass('upper_layer') ;
			}
			// Test if the visitor have already visited our site
			var $_mot_accueil=$('#mot_accueil');
			if($_mot_accueil.size()>0) {
             	if(webClient.readCookie('deja_venu') != 'oui') {
					$_mot_accueil.slideUp();
				} else {
             	   	date=new Date;
					date.setMonth(date.getMonth()+24);
					webClient.writeCookie('deja_venu', 'oui', new Array(date,'claye_souilly')) ;
                	$_mot_accueil.slideDown();
				}
            }
            // Initialise the tooltip
            listWithTooltip.init() ;
		});
  	}	
}