// ----style

function chStyle(n,change) {
if(change==0){	
	var n = getCookie("chStl");
	n = (n == null)? 1 : n ;
		
} // attention test load seulement
setCookie("chStl", n, 10);

var nRnd = (n == 0)?2:1; // magouille pour exploser !
if(n == nRnd){nRnd= 2;}
//alert("nRnd => "+nRnd+"\nn => "+n);
if(navigator.userAgent.indexOf("Konqueror") != -1){n= 1;}
chtext(nRnd);
chtext(n);
}


function chtext(no)
{
  var links = document.getElementsByTagName("link");
   for ( var i = 0; i < links.length; i++ ) {
      var title = links[i].getAttribute("title");
      if ( title == "base0" || title == "base1" || title == "base2" )
	  {
         if (i == no) {
            links[i].disabled = false;
         } else {
            links[i].disabled = true;
         }
      }
   }
  // alert("chtext "+no);
}


function getCookie(name) {
   if (document.cookie.length > 0){
      var start;
      var end;

      start = document.cookie.indexOf(name + "=");
      if ( start == -1 ) return null;
      end = document.cookie.indexOf(";", start);
      if (end == -1) end = document.cookie.length;
													
      return unescape( document.cookie.substring(start + name.length + 1,end) );
   }
   return null; 
}


function setCookie(name, value, days) {
   var expireDate = new Date();
   expireDate.setTime( expireDate.getTime() + (days * 24 * 3600 * 1000) );

   document.cookie = name+"="+escape(value)+"; expires="+expireDate.toGMTString()+"; path=/";
}