function Hash()
{
    this.length = 0;
    this.items = new Array();
    for (var i = 0; i < arguments.length; i += 2) {
        if (typeof(arguments[i + 1]) != 'undefined') {
            this.items[arguments[i]] = arguments[i + 1];
            this.length++;
        }
    }
   
    this.removeItem = function(in_key)
    {
        var tmp_value;
        if (typeof(this.items[in_key]) != 'undefined') {
            this.length--;
            var tmp_value = this.items[in_key];
            delete this.items[in_key];
        }
	   
        return tmp_value;
    }

    this.getItem = function(in_key) {
        return this.items[in_key];
    }

    this.setItem = function(in_key, in_value)
    {
        if (typeof(in_value) != 'undefined') {
            if (typeof(this.items[in_key]) == 'undefined') {
                this.length++;
            }

            this.items[in_key] = in_value;
        }
	   
        return in_value;
    }

    this.hasItem = function(in_key)
    {
        return typeof(this.items[in_key]) != 'undefined';
    }
}

function move_to_center(window_handle, body_width, body_height)
{
    var x = 0;
    var y = 0;
    var screen_width = screen.availWidth;
    var screen_height = screen.availHeight;
    if (screen_width > body_width)
        x = ((screen_width / 2) - (body_width / 2));
    if ( screen_height > body_height )
        y = ((screen_height / 2) - (body_height / 2));
	
    window_handle.moveTo(x, y - 50);
}

function isValidEmail(email)
{
    return (/^([a-z0-9_\-]+\.)*[a-z0-9_\-]+@([a-z0-9][a-z0-9\-]*[a-z0-9]\.)+[a-z]{2,4}$/i).test(email);
}

//modified version of http://www.webmasterworld.com/forum91/4686.htm
//myField accepts an object reference, myValue accepts the text string to add
function insertAtCursor(myField, myValue) {
    //IE support
    if (document.selection) {
        myField.focus();

        //in effect we are creating a text range with zero
        //length at the cursor location and replacing it
        //with myValue
        sel = document.selection.createRange();
        sel.text = myValue;

    //Mozilla/Firefox/Netscape 7+ support
    } else if (myField.selectionStart || myField.selectionStart == '0') {

        myField.focus();
        //Here we get the start and end points of the
        //selection. Then we create substrings up to the
        //start of the selection and from the end point
        //of the selection to the end of the field value.
        //Then we concatenate the first substring, myValue,
        //and the second substring to get the new value.
        var startPos = myField.selectionStart;
        var endPos = myField.selectionEnd;
        myField.value = myField.value.substring(0, startPos) + myValue + myField.value.substring(endPos, myField.value.length);
        myField.setSelectionRange(endPos+myValue.length, endPos+myValue.length);
    } else {
        myField.value += myValue;
    }
}

function trim(stringToTrim) {
    return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function strpos( haystack, needle, offset){
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: strpos('Kevin van Zonneveld', 'e', 5);
    // *     returns 1: 14
 
    var i = haystack.indexOf( needle, offset ); // returns -1
    return i >= 0 ? i : false;
}

function is_array( mixed_var ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Legaev Andrey
    // +   bugfixed by: Cord
    // *     example 1: is_array(['Kevin', 'van', 'Zonneveld']);
    // *     returns 1: true
    // *     example 2: is_array('Kevin van Zonneveld');
    // *     returns 2: false
 
    return ( mixed_var instanceof Array );
}

function str_replace(search, replace, subject) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Gabriel Paderni
    // +   improved by: Philip Peterson
    // +   improved by: Simon Willison (http://simonwillison.net)
    // +    revised by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // -    depends on: is_array
    // *     example 1: str_replace(' ', '.', 'Kevin van Zonneveld');
    // *     returns 1: 'Kevin.van.Zonneveld'
    // *     example 2: str_replace(['{name}', 'l'], ['hello', 'm'], '{name}, lars');
    // *     returns 2: 'hemmo, mars'    
    
    var f = search, r = replace, s = subject;
    var ra = is_array(r), sa = is_array(s), f = [].concat(f), r = [].concat(r), i = (s = [].concat(s)).length;
 
    while (j = 0, i--) {
        while (s[i] = s[i].split(f[j]).join(ra ? r[j] || "" : r[0]), ++j in f){};
    };
     
    return sa ? s : s[0];
}

Array.prototype.in_array = function(needle)
{
    var i = this.length;
    if (i > 0) {
        do {
            if (this[i] === needle) {
                return true;
            }
        } while (i--);
    }
    return false;
}

function get_base_url(values, exclude)
{
    var url = new String(window.location);
    var url_array = url.split(/\?/);
    var get = url_array[1] ? url_array[1] : "";
    var base_get = "";
    var amp = "";
	
    get_array = get.split(/&/);
    for (i = 0; i < get_array.length; i++) {
        if (values.in_array(get_array[i].split(/=/)[0])) {
            if (!exclude) {
                1
                base_get += amp + get_array[i];
                amp = "&";
            }
        } else {
            if (exclude) {
                base_get += amp + get_array[i];
                amp = "&";
            }
        }
        }
	
    if (base_get == "") {
        return url_array[0];
    } else {
        return url_array[0] + "?" + base_get;
    }
    }

    function order_delete(id){
        if (confirm('Вы действительно хотите удалить заявку?')){
            document.getElementById('action').value='delete_subscribe';
            document.getElementById('id').value=id;
            document.getElementById('subscribes_form').submit();
        }
    }