// Image rollover

function imgover(whichimg) {
	var imgsrc = new String(whichimg.src);
	imgsrc = imgsrc.replace(new RegExp('_off\.','g'),'_on\.');
	whichimg.src = imgsrc;
}

function imgout(whichimg) {
	var imgsrc = new String(whichimg.src);
	imgsrc = imgsrc.replace(new RegExp('_on\.','g'),'_off\.');
	whichimg.src = imgsrc;
}


// Members Only login

function membernumber(whichfield, state) {
	if (state == 1) {
		if (whichfield.value == "member number") {
			whichfield.value = "";
		}
	} else {
		if (whichfield.value == "") {
			whichfield.value = "member number";
		}
	}
}

function memberpassword(whichfield, state) {
	if (state == 1) {
		document.getElementById('login_pwdummy').style.visibility = "hidden";
		document.getElementById('login_pwdummy').style.display = "none";
		document.getElementById('login_pw').style.visibility = "visible";
		document.getElementById('login_pw').style.display = "block";
		document.getElementById('login_pw').focus();
	} else {
		if (document.getElementById('login_pw').value.length < 1) {
			document.getElementById('login_pwdummy').style.visibility = "visible";
			document.getElementById('login_pwdummy').style.display = "block";
			document.getElementById('login_pw').style.visibility = "hidden";
			document.getElementById('login_pw').style.display = "none";
			document.getElementById('login_pwdummy').value = "password";
		}
	}
}

// Pop up functions

function popwin(loc,winname,w,h,scroll,resize) {
	eval('var newwin = window.open("' + loc + '","' + winname + '","width=' + w + ',height=' + h + ',top=' + ((screen.height - h) / 2) + ',left=' + ((screen.width - w) / 2) + ',location=no,scrollbars=' + scroll + ',menubar=no,toolbar=no,status=no,resizable=' + resize + '")');
}

function popwinmenu(loc,winname,w,h,scroll,resize) {
	eval('var newwin = window.open("' + loc + '","' + winname + '","width=' + w + ',height=' + h + ',top=' + ((screen.height - h) / 2) + ',left=' + ((screen.width - w) / 2) + ',location=no,scrollbars=' + scroll + ',menubar=yes,toolbar=no,status=no,resizable=' + resize + '")');
}

function openinmain(whichpage) {
	window.opener.location = whichpage;
}