function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
}

var iphone = getQueryVariable("i");

	if(navigator.userAgent.indexOf("iPhone") != -1){
if(iphone!="no"){
		window.location = "http://www.pistika.hu/iphone";
		}
	}