function applyStyleFromLocation(){
	var params = extractUrlParams(window.location.toString());
	applyStyle(params['page']);
}

function applyStyle(p_styleCode) {
	var bodyElt = document.getElementsByTagName('body')[0];
	bodyElt.className=p_styleCode;
}

function extractUrlParams(url) {
  var regexp=new RegExp("[?&]");
  var tab=url.split(regexp);
  tabparam=new Array;
  for (var i=1;i<tab.length;i++){
    tabparam[tab[i].substring(0,tab[i].indexOf("="))]=tab[i].substring(tab[i].indexOf("=")+1)
  }
  return tabparam;
}
//http://wwww.greger.fr/efezf.html?rrr=rrr&page=pack1&fff=fff