var suggest_count=0;
var suggest_selected=0;
var input_initial_value='';
var search_suggestion_url="http://suggest-maps.yandex.ru/suggest-geo?callback=show_suggestion&_=1302005670080&lang=ru-RU&ll=37.617671%2C55.755768&spn=2.399139%2C0.624969&highlight=1&fullpath=1&sep=1&search_type=all&part=";
var this_element;

function reposition_search_suggestion(pa){
       // pa=document.getElementById(id);
        rr=getDim(pa);
        var pos_left = rr.x;
        var pos_top = (rr.y + pa.offsetHeight);
        $('#search_suggestion').css({'left':pos_left,'top':Math.ceil(pos_top)});
}

$(window).load(function(){
        if(!search_suggestion_url)return;
        var typingTimer;                //timer identifier
        var doneTypingInterval = 42;  //time in ms

        if(document.getElementById('search_suggestion')==null){
              //  $("body").append($('<textarea id="debug" style="width:600px; height:500px;"></textarea>'));
                $('<ul id="search_suggestion"></ul>').appendTo('body').css({'display':'none','position':'absolute'});
        }

        //Если keyup, start the countdown
        $("#suggest_address").keyup(function(I){
                switch(I.keyCode) {
                        case 18:case 9: break;
                        case 38:case 40:break;
                        default: typingTimer = setTimeout(doneTyping, doneTypingInterval);
                        break;
                }
        });

        $('html').click(function(){
                $('#search_suggestion').hide();
        });

        $('#search_suggestion').click(function(event){
                if(suggest_count)
                        $('#search_suggestion').show();
                event.stopPropagation();
        });

        $("#suggest_address").focusin(function(){
                this_element=this;
                reposition_search_suggestion(this);
                if(suggest_count)
                        $('#search_suggestion').show();
        });


        $("#suggest_address").click(function(event){
                this_element=this;
                if(suggest_count)
                        $('#search_suggestion').show();
                if(suggest_selected>0){
                        $('#search_suggestion li').eq(suggest_selected-1).removeClass('active');
                        suggest_selected=0;
                        $(this).attr('value',input_initial_value);
                }
                event.stopPropagation();
        });
        $("#suggest_address").keypress(function(J) {
                switch(J.keyCode) {
                        case 13:
                                if(suggest_selected==0)
                                        $(this).closest("form").submit();
                                else {
                                        confirm_search();
                                        J.preventDefault();
                                } //window.location=$('#search_suggestion li a').eq(suggest_selected-1).attr('href');
                                return false;
                        case 27:
                                return false;
                }
        });
        
        //on keydown, clear the countdown
        $("#suggest_address").keydown(function(I){
                this_element=this;
                reposition_search_suggestion(this);
                switch(I.keyCode) {
                        case 18:case 9: $('#search_suggestion').hide();break;
                        case 38:case 40:
                                I.preventDefault();
                                if(suggest_count)
                                        key_activate(I.keyCode-39)
                        break;
                        case 13:break;
                        case 27:
                                $(this).click();
                        break;
                        default:
                                clearTimeout(typingTimer);
                        break;
                }
        });


        function doneTyping (){
                $("body").append($('<script charset="utf-8" src="'+search_suggestion_url+escape((encode_utf8($(this_element).attr("value"))))+'">'));
        }
});


function confirm_search(value){
        $('#search_suggestion').hide();
        if(value)
        $(this_element).attr('value',value);
        suggest_selected=0;
        suggest_count=0;
}
        
function getDim(el){
        for (var lx=0,ly=0;el!=null;
                lx+=el.offsetLeft,ly+=el.offsetTop,el=el.offsetParent);
        return {x:lx,y:ly}
}

function chr(code){
        return String.fromCharCode(code);
}

// UTF-8 encode / decode by Johan Sundstr?m
function encode_utf8( s )
{
        return unescape( encodeURIComponent( s ) );
}

function show_suggestion(res){
/*        $('#debug').val(' ');
        for(i in res){
                var str=$('#debug').val();
                $('#debug').val(str+"\r\n"+i+':'+res[1]);
        }*/
        if(res[1] && res[1].length){
                input_initial_value=res[0];
                suggest_count=res[1].length;
                suggest_selected=0;
                $('#search_suggestion li').each(function(){$(this).remove()});
                for(i in res[1]){
                        if(typeof res[1][i][2]=='undefined')
                                continue;
                        var option = document.createElement("li")
                        option.innerHTML='<a href="#" onclick="confirm_search(this.innerHTML);return false;">'+res[1][i][2]+'</a>';
                        document.getElementById('search_suggestion').appendChild(option);
                }
                $('#search_suggestion').show(500);
        }
        else {
                suggest_count=0;
                $('#search_suggestion').hide();
        }
}

function key_activate(n){
        $('#search_suggestion li').eq(suggest_selected-1).removeClass('active');
        if(n ==1 && suggest_selected<suggest_count){
                suggest_selected++;
        }
        if(n ==-1 && suggest_selected>0){
                suggest_selected--;
        }
        if(suggest_selected>0){
                $('#search_suggestion li').eq(suggest_selected-1).addClass('active');
                $(this_element).attr("value",$('#search_suggestion li a').eq(suggest_selected-1).text());
                $(item_price_element).attr("value",$('#search_suggestion li b').eq(suggest_selected-1).text());
                count_price();
        }
        else {
                $(this_element).attr("value",input_initial_value);
        }
}

function unhtml(s){
        return s.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&amp;/g, '&').replace(/&quot;/g, '"');
}