/*
 *   index.js
 *   Polya's blog project's JScript file
 *   Copyright by Victor Didenko aka Vicar aka le'Aio
 */

function fnOnLoadPage(id, e) {
	fnValignBottom();
	if (id != 0) fnShowComment(id);
}

function fnAddCommentBeforeSend(f, ncid) {
	var name = f.name.value;
	var email = f.email.value;
	var comment = f.comment.value;
	
	if (comment == "") {
		alert("nothing to add");
		return false;
	}
	if ((/[\"<>;:]|(^\s*$)/).test(name)) {
		alert("bad name");
		return false;
	}
	if (email != "") {
		if (!(/^([a-z0-9_\-]+\.)*[a-z0-9_\-]+@([a-z0-9][a-z0-9\-]*[a-z0-9]\.)+[a-z]{2,6}$/i).test(email)) {
			alert("bad e-mail");
			return false;
		}
	}
	setCookie('cookiename', name, 5000);  setCookie('cookiemail', email, 5000);
	var s = id(ncid);  s.innerHTML = parseInt(s.innerHTML) + 1;
	var text = '<span class="commname">~name~</span>, <span class="commdate">~date~</span><br><table align="left"><tr><td width="10"><td><span class="commbody">~comment~</span></table><br clear="all"><br clear="all">';
	
	if (email != "") name = '<a href="mailto:'+email+'">'+name+'</a>';
	comment = comment.replace(/\r\n|\r|\n/g,"<br>");
	
	text = text.replace("~name~", name);
	text = text.replace("~date~", "just added");
	text = text.replace("~comment~", comment);
	
	id(ncid.replace("s", "cs")).innerHTML += text;
	fnSHAddComment(ncid.replace("s", "a"));
	return true;
}

function fnButtonDown(bt) {
	if (bt.className == 'top_bt') {
		switch (bt.id) {
			case 'top_log':
				if (id("logindialog").style.visibility == 'visible') {
					id("logindialog").style.visibility = 'hidden';
				} else {
					id("logindialog").style.top = 74;
					id("logindialog").style.left = 100;
					id("logindialog").style.visibility = 'visible';
					bt.src = 'images/top/top3_login_gl.gif';
					setTimeout('id("loginnameinput").focus()', 10);
				}
				break;
		}
	}
}

function fnShowComment(postid) {
	var p = id(postid);
	p.innerHTML = "loading... please wait";
	if (p.style.visibility == 'visible') {
		p.style.visibility = 'hidden';
	} else {
		p.style.visibility = 'visible';
		var pathtoload = "comm"+"ents.ph"+"p?id=";
		fnLoadHTML(p, pathtoload + postid);
	}
}

function fnSHAddComment(postid) {
	var p = id(postid);
	(p.style.display != 'block') ? p.style.display = 'block' : p.style.display = 'none';
}

function fnHover(isover, e) {
	e = e || window.event;  var it = e.target || e.srcElement;
	if (it.className == 'top_bt') {
		it.src = (isover) ? loginimg_in.src : loginimg_out.src;
		if (id("logindialog").style.visibility == 'visible') it.src = loginimg_in.src;
		if (e.type == 'click') fnButtonDown(it);
	}
	if (e.type == 'click') fnValignBottom();
}