function ResizeBody(){
document.getElementById('bodybg').style.height =  ((document.getElementById('bodybg').offsetHeight/254|0)+1)*254;
if (parseInt(document.getElementById('bodybg').style.height) < document.body.clientHeight - 300) {document.getElementById('bodybg').style.height = document.body.clientHeight - 300;}
}


// dysplays on/off if a checkbox is checked/unchecked
// the id of the <tr>(or other things) has to have the same name as checbox name+"_td"
function display_tr(check)
{
        if (check.checked){
                document.getElementById(check.name+'_td').style.display='';
        }else document.getElementById(check.name+'_td').style.display='none';
}

// dysplays on/off if a radio is checked/unchecked 
// the id of the <tr>(or other things) has to have the same name as checbox name+"_td"
function display_tr_radio(checkName,check)
{
        for (i=0;i<check.length;i++){
                
                if (check[i].checked==true){
                        document.getElementById(checkName.name+'_'+i+'_td').style.display='';
                }else{ 
                        document.getElementById(checkName.name+'_'+i+'_td').style.display='none';
                }
        }
}

//to check all checkboxes in a form
//parameters are the checked checkbox(or true/false) and form name (the form MUST HAVE AN ID BESIDES NAME)
function checkedAll (checked,form_name) {
        var el = document.getElementById(form_name);
                
        
        for (var i = 0; i < el.elements.length; i++) {
                  el.elements[i].checked = checked;
        }
}
//email format checking
function emailCheck(who){
        var email=/^[A-Za-z0-9][\w-.]*[A-Za-z0-9]*@[A-Za-z0-9]*([\w-.]*[A-Za-z0-9]\.)+([A-Za-z]){2,4}$/i;
        return(email.test(who));
}

function copy_fields(){
        el_1 = document.form1;
        el_2 = document.form2;
        
        for (var i = 0; i < el_2.elements.length; i++){
//                document.write(document.form2.elements[i].name+"||"+document.form1.elements[i].value+"<br>");
//
//                document.write(document.form1.elements[i].name+"||"+document.form1.elements[i].value+"<br>");
//                document.write("<hr>");                
                document.form2.elements[i].value = document.form1.elements[i].value;
        }
}

function makeRequest_get(url,code) {

        var http_request = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
                http_request = new XMLHttpRequest();
                if (http_request.overrideMimeType) {
                        http_request.overrideMimeType('text/xml');
                        // See note below about this line
                }
        } else if (window.ActiveXObject) { // IE
                try {
                        http_request = new ActiveXObject("Msxml2.XMLHTTP");
                } catch (e) {
                        try {
                                http_request = new ActiveXObject("Microsoft.XMLHTTP");
                        } catch (e) {}
                }
        }

        if (!http_request) {
                alert('Giving up :( Cannot create an XMLHTTP instance');
                return false;
        }
        if (code == 1){
                http_request.onreadystatechange = function() { showContents(http_request); };
        }
        //http_request.onreadystatechange = function() { showContents_email(http_request); };
        http_request.open('GET', url, true);
        http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        http_request.send(null);

}
// displays the inner html recieved after request
function showContents(http_request) {

        if (http_request.readyState == 4) {
                if (http_request.status == 200) {
                   str = http_request.responseText;
                   if (str.search(/.*code=ok.*/) == -1){alert('The promo code is not valid');return false}
                } else {
                        alert('There was a problem with the request.');
                }
        }

}
function showContents_email(http_request) {

        if (http_request.readyState == 4) {
                if (http_request.status == 200) {
                   str = http_request.responseText;
                   if (str.search(/.*double_email=ok*/) == -1){
                             alert('The email already exists in our database');
                             document.body.innerHTML = http_request.responseText;
                             return false;
                   }else{
                           //setTimeout('document.form1.submit()',10000);
                   }
                } else {
                        alert('There was a problem with the request.');
                }
        }

}




 //ajax functions remote http request ...

    

    function makeRequest(url) {

        var http_request = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // See note below about this line
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            alert('Giving up :( Cannot create an XMLHTTP instance');
            return false;
        }
        http_request.onreadystatechange = function() { alertContents(http_request); };
        http_request.open('GET', url, true);
                http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        http_request.send(null);

    }

    function alertContents(http_request) {

        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
                          document.body.innerHTML = http_request.responseText;
            } else {
                alert('There was a problem with the request.');
            }
        }

    }

var cookieEnabled=(navigator.cookieEnabled)? true : false
if (!cookieEnabled) alert ('You must have cookies enabled');
/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/

var Base64 = {

        // private property
        _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

        // public method for encoding
        
        // public method for decoding
        decode : function (input) {
                var output = "";
                var chr1, chr2, chr3;
                var enc1, enc2, enc3, enc4;
                var i = 0;

                input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

                while (i < input.length) {

                        enc1 = this._keyStr.indexOf(input.charAt(i++));
                        enc2 = this._keyStr.indexOf(input.charAt(i++));
                        enc3 = this._keyStr.indexOf(input.charAt(i++));
                        enc4 = this._keyStr.indexOf(input.charAt(i++));

                        chr1 = (enc1 << 2) | (enc2 >> 4);
                        chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
                        chr3 = ((enc3 & 3) << 6) | enc4;

                        output = output + String.fromCharCode(chr1);

                        if (enc3 != 64) {
                                output = output + String.fromCharCode(chr2);
                        }
                        if (enc4 != 64) {
                                output = output + String.fromCharCode(chr3);
                        }

                }

                output = Base64._utf8_decode(output);

                return output;

        },

        // private method for UTF-8 encoding
        _utf8_encode : function (string) {
                string = string.replace(/\r\n/g,"\n");
                var utftext = "";

                for (var n = 0; n < string.length; n++) {

                        var c = string.charCodeAt(n);

                        if (c < 128) {
                                utftext += String.fromCharCode(c);
                        }
                        else if((c > 127) && (c < 2048)) {
                                utftext += String.fromCharCode((c >> 6) | 192);
                                utftext += String.fromCharCode((c & 63) | 128);
                        }
                        else {
                                utftext += String.fromCharCode((c >> 12) | 224);
                                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                                utftext += String.fromCharCode((c & 63) | 128);
                        }

                }

                return utftext;
        },

        // private method for UTF-8 decoding
        _utf8_decode : function (utftext) {
                var string = "";
                var i = 0;
                var c = c1 = c2 = 0;

                while ( i < utftext.length ) {

                        c = utftext.charCodeAt(i);

                        if (c < 128) {
                                string += String.fromCharCode(c);
                                i++;
                        }
                        else if((c > 191) && (c < 224)) {
                                c2 = utftext.charCodeAt(i+1);
                                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                                i += 2;
                        }
                        else {
                                c2 = utftext.charCodeAt(i+1);
                                c3 = utftext.charCodeAt(i+2);
                                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                                i += 3;
                        }

                }

                return string;
        }

}