if ( window.addEventListener ){
    window.addEventListener("message", receiveSimpollMessage, false);
}

if ( window.attachEvent ) {
	window.attachEvent("onmessage", receiveSimpollMessage);
}

if ( document.attachEvent ) {
	document.attachEvent("onmessage", receiveSimpollMessage);
}

function receiveSimpollMessage(event){
    //if (event.origin != 'http://simpoll.ru') { return false; }
    var cmd     = event.data.substring(0,4);
    var url_key = event.data.substring(5,13);
    var value   = event.data.substring(14);
    if (cmd == 'size'){ document.getElementById('simpoll_frame_'+url_key).style.height = value+'px'; }
    if (cmd == 'call'){ eval('var data_obj = '+value); simpollCallback(data_obj); }
}

if (document.getElementById('simpoll_params')){
    var params_str = '?' + document.getElementById('simpoll_params').value;
} else {
    var params_str = '';
}

document.writeln('<iframe src="//simpoll.ru/run/survey/ab500e5e'+params_str+'" id="simpoll_frame_ab500e5e" width="100%" height="250" border="0" framespacing="0" frameborder="0"></iframe>');