function cCookies(){
    // -------------------------------------------------------------------        
     function getValue(offset){
    	var endstr = document.cookie.indexOf (";", offset);
    	if(endstr==-1) endstr=document.cookie.length;
    	return unescape(document.cookie.substring(offset, endstr)); 
    }
    // -------------------------------------------------------------------    
     this.set = function (nom, valeur){
    	var argv = this.set.arguments;
    	var argc = this.set.arguments.length;
    	var expires = (argc > 2) ? argv[2] : null;
    	var path = (argc > 3) ? argv[3] : null;
    	var domain = (argc > 4) ? argv[4] : null;
    	var secure = (argc > 5) ? argv[5] : false;
    	document.cookie= nom + "=" +escape(valeur) +
    		((expires==null) ? "" : ("; expires="+expires.toGMTString())) +
    		((path==null) ? "" : ("; path="+path)) +
    		((domain==null) ? "" : ("; domain="+domain)) +
    		((secure==true) ? "; secure" : "");
    }
    // -------------------------------------------------------------------        
    this.get = 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 getValue(j);
    		i=document.cookie.indexOf(" ",i)+1;
    		if (i==0) break;
    	}
    	return null; 
    }
    // -------------------------------------------------------------------        
    this.clear = function(nom){
    	var oDate = new Date();
    	oDate.setFullYear(oDate.getFullYear()-1);
    	this.set(nom, null, oDate); 
    }
    // -------------------------------------------------------------------            
  }