var xhr;

function createXHR() {
    if (window.ActiveXObject) { // IE5.0, IE6.0
        xhr = new ActiveXObject("Microsoft.XMLHTTP");
    } else if (window.XMLHttpRequest) { //IE7.0, FireFox, Safari, Opera
        xhr = new XMLHttpRequest();
    }
}

function sendPost(page, param) {
    createXHR();
    xhr.onreadystatechange = resultProcess; // response handler
    xhr.open("POST", page, "true"); // ¿äû¼³Á¤
    /* POST¹æ½ÄÀ¸·Î ¿äûÇÒ °æ¿ì¿¡´Â ¾Æ·¡ÀÇ Çì´õ¼³Á¤ºÎºÐÀÌ ¹Ýµå½Ã ¿ä±¸µÊ */
    xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
    xhr.send(param); /* ¿äûÀü¼Û, GET¹æ½ÄÀº null·Î ¼³Á¤ÇÏ°í POST¹æ½ÄÀÏ °æ¿ì ÆĶó¹ÌÅÍ ¹®ÀÚ¿­À» ¼³Á¤ÇÑ´Ù*/
}

function resultProcess() {
    if (xhr.readyState == 4) {
        if (xhr.status == 200) {
            alert(xhr.responseText);
			
			// ¸ÞÀÏÀÌ Á¤»óÀûÀ¸·Î º¸³»Á³À» °æ¿ì¿¡¸¸ ÅؽºÆ® °ªÀ» Áö¿î´Ù.
			var name = document.getElementById("txtName");
			var company = document.getElementById("txtCompany");
			var email = document.getElementById("txtEmail");
			var phone = document.getElementById("txtPhone");
			var info = document.getElementById("txtInfo");

			var mainTable = document.getElementById("tbMainPageSendMail");

			if(mainTable != null)
			{
				name.value = "";
				company.value = "";
				email.value = "";
				phone.value = "";
				info.value = "";
			}
			else
			{
				name.value = "Name";
				company.value = "Company";
				email.value = "Email";
				phone.value = "Phone";
				info.value = "Info";
			}

			document.getElementById("spanEmailSend").style.display = "";
			document.getElementById("spanEmailSending").style.display = "none";
        }
	else
	{
		alert(xhr.status);
	}
    }
}