var klid;

function getXMLHTTPRequest() {
http=null
if (window.XMLHttpRequest)
  {
  req=new XMLHttpRequest()
  }
else if (window.ActiveXObject)
  try {
		req = new ActiveXObject("Msxml2.XMLHTTP");
	} catch(e) {
		try {
			req = new ActiveXObject("Microsoft.XMLHTTP");
		} catch(e) {
			req = null;
		}
	}
return req;
}
var http = getXMLHTTPRequest();

function ShowCommentFields(lid){
	http.open("GET", "/includes/bloggfunktioner_ajax.asp?action=getCommentFields&lid=" + lid + "", true);
	klid = lid;
	http.onreadystatechange = ShowCommentFields_action;
	http.send(null);
	document.getElementById('comment_area'+klid).innerHTML = '<img src="/bilder/bloggen/design/loading.gif" alt="Laddar..." />';
}

function ShowCommentFields_action() {
	if (http.readyState==4 || http.readyState=='complete'){
		document.getElementById('comment_area'+klid).innerHTML = http.responseText;
	}
}

function ShowComments(lid){
	http.open("GET", "/includes/bloggfunktioner_ajax.asp?action=getComments&lid=" + lid + "", true);
	klid = lid;
	http.onreadystatechange = ShowComments_action;
	http.send(null);
	document.getElementById('comment_area'+lid).innerHTML = '<img src="/bilder/bloggen/design/loading.gif" alt="Laddar..." />';
}

function ShowComments_action() {
	if (http.readyState==4 || http.readyState=='complete'){
		document.getElementById('comment_area'+klid).innerHTML = http.responseText;
	}
}

function CheckCommentCount() {
	if(document.getElementById('comment_comment'+lid).value.length >= 1000) { document.getElementById('blogg_comment_counter').value = 'För många tecken!'; }
	else { document.getElementById('blogg_comment_counter').value = '' + 1000 - 1 - document.getElementById('comment_comment').value.length + ' Tecken kvar'; }
}

function SendComment(){
	if(document.getElementById('comment_comment').value.length >= 1000) { alert('test'); return false }
	if(Echeck(document.getElementById('comment_epost').value) == true) {
		if(document.getElementById('comment_namn').value == 'Namn...') { alert('Du måste fylla i ditt namn!'); return false }
		if(document.getElementById('comment_namn').value == '') { alert('Du måste fylla i ditt namn!'); return false }
		if(document.getElementById('comment_comment').value == 'Skriv kommentar här...') { alert('Du har inte skrivit någon kommentar!'); return false }
		if(document.getElementById('comment_comment').value == '') { alert('Du har inte skrivit någon kommentar!'); return false }
		http.open("GET", "/includes/bloggfunktioner_ajax.asp?action=saveComment&lid=" + klid + "&epost=" + escape(document.getElementById('comment_epost').value) + "&namn=" + escape(document.getElementById('comment_namn').value) + "&kommentar=" + escape(document.getElementById('comment_comment').value) , true);
		http.onreadystatechange = SendComment_action;
		http.send(null);
		document.getElementById('comment_area'+klid).innerHTML = '<img src="/bilder/bloggen/design/loading.gif" alt="Laddar..." />';
	}
}

function SendComment_action() {
	if (http.readyState==4 || http.readyState=='complete'){
		document.getElementById('comment_area'+klid).innerHTML = http.responseText;
	}
}

/**
 * Detta är en e-post validator
 */
function Echeck_alert() { alert("Du har angett en felaktig E-postadress!") }
function Echeck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){ Echeck_alert(); return false }
	else if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){ Echeck_alert(); return false }
	else if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){ Echeck_alert(); return false }
	else if (str.indexOf(at,(lat+1))!=-1){ Echeck_alert(); return false }
	else if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){ Echeck_alert(); return false }
	else if (str.indexOf(dot,(lat+2))==-1){ Echeck_alert(); return false }
	else if (str.indexOf(" ")!=-1){ alert("Du har angett en felaktig E-postadress!"); return false }
	else { return true }
}