//<![CDDA[
function changeImage(e, replacement, status) {
	try {
		var ext = substr(e.src, -3);
		if(status=='on') {
			e.src = str_replace("."+ext, replacement+"."+ext, e.src);
		} else {
			e.src = str_replace(replacement+"."+ext, "."+ext, e.src);
		}
	} catch (e) {
	}
}

function checkuserlogin(id) {
	if(id==1) {
		var form = document.getElementById('userlogin1');
	} else {
		var form = document.getElementById('userlogin');
	}
	var email = form.email.value;
	var rc = new RegExp("[^a-z0-9_]", "gi");
	var passwd = form.password.value;
	
	if(!email_check(email)) { alert("email 格式錯誤。"); return false; }
	if(!checkInputValue(passwd) || rc.test(passwd)) { alert("密碼格式錯誤。"); return false; }

	if(id==1) {
		xajax_userloggined(xajax.getFormValues('userlogin1'));
	} else {
		xajax_userloggined(xajax.getFormValues('userlogin'));
	}	
}

function checkadminlogin() {
	var form = document.getElementById('userlogin');
	var username = form.username.value;
	var rc = new RegExp("[^a-z0-9_]", "gi");
	var passwd = form.password.value;
	
	if(!checkInputValue(username) || rc.test(username)) { alert("帳號格式錯誤。"); return false; }
	if(!checkInputValue(passwd) || rc.test(passwd)) { alert("密碼格式錯誤。"); return false; }
	
	xajax_adminloggined(xajax.getFormValues('userlogin'));
}
//]]>