// Cookie handling
  setCookie = function ( sName, sValue, nDays ) {
  	var expires = "";
  	if ( nDays ) {
  		var d = new Date();
  		d.setTime( d.getTime() + nDays * 24 * 60 * 60 * 1000 );
  		expires = "; expires=" + d.toGMTString();
  	}
  
  	document.cookie = sName + "=" + sValue + expires + "; path=/";
  	//alert(sName + "=" + sValue + expires + "; path=/");
  };
  
  getCookie = function (sName) {
  	var re = new RegExp( "(\;|^)[^;]*(" + sName + ")\=([^;]*)(;|$)" );
  	var res = re.exec( document.cookie );
  	return res != null ? res[3] : null;
  };
  
  removeCookie = function ( name ) {
  	setCookie( name, "", -1 );
  };