var curEmailAddr = '';

// checkSendEmail
function checkSendEmail(addr) {
	if (addr != '') {
		curEmailAddr = addr;
		var divbox = document.getElementById("emailWarning");
		divbox.style.left = (document.body.clientWidth / 2) - 150;
		divbox.style.top = (document.body.clientHeight / 2) - 75 + f_scrollTop();
		//alert(f_scrollTop());
		divbox.style.visibility = "visible";
	}
}

// f_scrollTop
function f_scrollTop() {
	return f_filterResults (
		window.pageYOffset ? window.pageYOffset : 0,
		document.documentElement ? document.documentElement.scrollTop : 0,
		document.body ? document.body.scrollTop : 0
	);
}

// f_filterResults
function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}


// sendEmail
function sendEmail() {
	if (curEmailAddr != '') {
		document.location = 'mailto:' + curEmailAddr;
		curEmailAddr = '';
	}
	document.getElementById("emailWarning").style.visibility = "hidden";
}
// noEmail
function noEmail() {
	curEmailAddr = '';
	document.getElementById("emailWarning").style.visibility = "hidden";
}