function sendContactus()
{
var url = v_h + '/contracts.php';
var pars = formToRequestString(document.f1);
var myAjax = new Ajax.Request(
url,
{
method: 'get',
parameters: pars,
onComplete: showResponse
});
$('loadinfo').style.cssText='color: #ff5500;';
}
function sendRegister()
{
var url = v_h + '/registers.php';
var pars = formToRequestString(document.f1);
var myAjax = new Ajax.Request(
url,
{
method: 'get',
parameters: pars,
onComplete: showResponse
});
$('loadinfo').style.cssText='color: #ff5500;';
}
function formToRequestString(form_obj)
{
    var query_string='';
    var and='';
    for (var i=0;i<form_obj.length ;i++ )
    {
        e=form_obj[i];
    
    
        if (e.name) {
            if (e.type=='select-one') {
                element_value=e.options[e.selectedIndex].value;
            } else if (e.type=='select-multiple') {
                for (var n=0;n<e.length;n++) {
                    var op=e.options[n];
                    if (op.selected) {
                        query_string+=and+e.name+'='+encodeURIComponent(op.value);
                        and="&"
                    }
                }
                continue;
            } else if (e.type=='checkbox' || e.type=='radio') {
                if (e.checked==false) {   
                    continue;   
                }   
                element_value=e.value;
            } else if (typeof e.value != 'undefined') {
                element_value=e.value;
            } else {
                continue;
            }
            query_string+=and+e.name+'='+encodeURIComponent(element_value);
            and="&"
        }

    }
    return query_string;
}
function showResponse(originalRequest)
{
var result =originalRequest.responseText;
$('loadinfo').innerHTML = "<span>"+result+"&nbsp;&nbsp;&nbsp;</span>";
$('f1').reset();
setIntervalReq = window.setInterval('writeResult()', 5000);
}
function writeResult()
{
	$('loadinfo').style.cssText="display:none";
	$('loadinfo').innerHTML = "<span>Loading...</span>";
	//alert('Loading...');
	window.clearInterval(setIntervalReq);
}

var setIntervalReq;
var v_h = 'http://www.cctvhw.com';