function delCookie(n) {
	var d = new Date();
	d.setTime (d.getTime() - 1);
	var w = getCookie (n);
	if (w != null)
		document.cookie = n + "=" + w + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
}
function getCookie(n)  {
	if (document.cookie.length > 0) {
		b = document.cookie.indexOf(n+"="); 
		if (b != -1) {
			b += n.length + 1; 
			e = document.cookie.indexOf(";",b);
			if (e == -1)
				e = document.cookie.length;
			return unescape(document.cookie.substring(b,e)); 
		} 
	}
	return ""; 
}
function setCookie(n,w,expires,path,domain,secure) {
	document.cookie = n + '=' + escape(w) + 
	((expires) ? ';expires=' + expires : '') +
	((path) ? ';path=' + path : '') +
	((domain) ? ';domain=' + domain : '') +
	((secure) ? ';secure' : '');
	
	// path=' + path : '') +
}
function getVariable(w,n) {
  if (w != "" && document.cookie) {
  	var ar = w.split(";");
  	for (var i=0; i < ar.length; i++) {
		  var av = ar[i].split("=");
  		for (var j=0; j < av.length; j++)
  			if (n == av[0])
  				return av[1];	
  	}
  }
  return "";
}