$.ajaxSend = function(url, data, callback) {
	var count_tries = 0;
	var answer = function(text){
		if(text.substr(0, 1) != '{' || text.substr((text.length-1)) != '}'){
			alert("Bug("+url+")!\n"+text);
			return;
		}
		var data = eval('(' + text + ')');
		if(callback) callback(data);
	}

	//$.post(url, data, answer, "json");
	$.ajax({
	   type: "POST",
	   url: url,
	   data: data,
	   cache: false,
	   success: answer,
	   dataType: 'text'
	 });

}