var http_request = false;
function makeRequest(url) {
	http_request = false;
	if (window.XMLHttpRequest) {
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
		}
	} 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('Cannot create XMLHTTP instance');
		return false;
	}
	http_request.onreadystatechange = alertContents;
	http_request.open('POST', url , true);
	http_request.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	var un = document.getElementById( 'un' ).value;
	var pwd = document.getElementById( 'pwdField' ).value;
	http_request.send("action=logIn&loginEmail=" + un + "&loginPwd=" + pwd);
}

function alertContents(){
	if (http_request.readyState != 4) return;
	var res = http_request.responseText;
	if( res) {
		eval (res);
	}
}

function submitenter(e) {
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;

	if (keycode == 13)	1+1; //makeRequest('/rd/dao/dao.php');
	else return false;
}

function username(){
	u = document.getElementById( 'un' );
	window.status = 'username = ' + u.value;
	if ( u.value == 'Email' ) {
		u.value = '';
		u.className = 'goInput';
		u.focus();
		u.select();
	} else {
		u.className = 'goInput';
	}
}

function leaveUsername(){
	u = document.getElementById( 'un' );
	if ( u.value == '' ) {
		u.className = 'readyInput';
		u.value = 'Email';
	} else {
		u.className = 'goInput';
	}
}

function pwd(){
	p = document.getElementById( 'pwdField' );
	if ( p.value == 'Password' ) {
		p.value = '';
		p.className = 'goInput';
	}
}

function leavePwd(){
	p = document.getElementById( 'pwdField' );
	if ( p.value == '' ) {
		p.className = 'readyInput';
		p.value = 'Password';
	}
}