// JavaScript Document
function reading_cookie() {
      c=lit_cook("UserExistant")
       	//if(c=="") alert("The cookie is empty !")
      	//else alert("The cookie's value is : "+c)
	  return c;
  	}
   
   	function lit_cook(nom) {
      var deb,fin
      deb = document.cookie.indexOf(nom + "=")
      if (deb >= 0) {
         deb += nom.length + 1
         fin = document.cookie.indexOf(";",deb)
         if (fin < 0) fin = document.cookie.length
         return unescape(document.cookie.substring(deb,fin))
         }
      return ""
   	}