function f_login()
{
	var login = document.getElementById('login');
	if(login.value==''){login.value='Логин';}
}

function f_login_clear()
{
	var login = document.getElementById('login');
	if(login.value=='Логин'){login.value='';}
}

function f_passw()
{
	var passw = document.getElementById('passw');
	if(passw.value==''){passw.value='пароль';}
}

function f_passw_clear()
{
	var login = document.getElementById('passw');
	if(login.value=='пароль'){login.value='';}
}

function ava_load(){
	var com  = document.getElementById('com');
	var url  = document.getElementById('url');
	var load = document.getElementById('load');
	var link = document.getElementById('link');
	load.className = 'but_down';
	link.className = 'but_up';
	com.style.display = '';
	url.style.display = 'none';
	url.value = '';
}

function ava_link(){
	var com  = document.getElementById('com');
	var url  = document.getElementById('url');
	var load = document.getElementById('load');
	var link = document.getElementById('link');
	load.className = 'but_up';
	link.className = 'but_down';
	com.style.display = 'none';
	url.style.display = '';
	com.value = '';
}

   var bookmarkurl="http://prostoilegko.ru/";
   var bookmarktitle="Просто и Легко Ру";

   function addbookmark()
   {
    if(document.all)
      window.external.AddFavorite(bookmarkurl,bookmarktitle)
   }

//Для формы -----------------------------------------------------------------------------------
var clientPC = navigator.userAgent.toLowerCase();
var clientVer = parseInt(navigator.appVersion);
var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;
var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

function voidPutURL(context)
{       if (url=prompt('Введите URL:','http://'))
        {
        var m=document.getElementById(context);
        if(m){
               m.focus();

             if ((clientVer >= 4) && is_ie && is_win)
             {
               sel = document.selection.createRange();
               if(sel.text == '') sel.text = 'ссылка';
               sel.text = '[:a][:href="'+url+'" href]'+sel.text+'[/a]';
             } else
             {
               mozWrap(m, '[:a][:href="'+url+'" href]','[/a]');
             }
             m.focus();
             }
         }
}

function voidPutTag2(context,tag)
{
        var m=document.getElementById(context);
        if(m){
               m.focus();
             if ((clientVer >= 4) && is_ie && is_win)
             {
               sel = document.selection.createRange();

               sel.text = "[:"+tag+"]"+sel.text+'[/'+tag+']';
             } else
             {
               mozWrap(m, "[:"+tag+"]", '[/'+tag+']');
             }
             m.focus();
             }
}

function com_quote(comment_id)
{
        var m=document.getElementById('form_comment_text');
        if(m){
               m.focus();
             if ((clientVer >= 4) && is_ie && is_win)
             {
               sel = document.selection.createRange();

               sel.text = "[:quote]"+comment_id+'[/quote]';
             } else
             {
               mozWrap(m, "[:quote]"+comment_id, '[/quote]');
             }
             m.focus();
             }
}

function mozWrap(txtarea, open, close)
{
        var selLength = txtarea.textLength;
        var selStart = txtarea.selectionStart;
        var selEnd = txtarea.selectionEnd;
        if (selEnd == 1 || selEnd == 2)
                selEnd = selLength;

        var s1 = (txtarea.value).substring(0,selStart);
        var s2 = (txtarea.value).substring(selStart, selEnd)
        var s3 = (txtarea.value).substring(selEnd, selLength);
        txtarea.value = s1 + open + s2 + close + s3;
        return;
}
//-----------------------------------------------------------------------------------------------------

function show_hide(value)
{
	if(document.getElementById('all_city').checked)
    	document.getElementById('city').disabled = 'disabled';
    else
    	document.getElementById('city').disabled = '';
   document.getElementById('city').value = ''; 
}


//------------------------------------------- AJAX -----------------------------------------------------
function a_bun(id)
{
	document.getElementById('loading').style.display = '';
	var url='http://prostoilegko.ru/a_bun.php';
	var post = 'id='+id;
	if(document.all)
		var xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
		if(window.XMLHttpRequest) var xmlhttp=new XMLHttpRequest();
		xmlhttp.open("POST",url,true);
		xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		xmlhttp.onreadystatechange = function ()
		{
			if (xmlhttp.readyState == 4)
				{
					if (xmlhttp.responseText)
					{
						xmlhttp.responseText;
						document.getElementById('loading').style.display = 'none';
					}
				}
		}
	xmlhttp.send(post);
}

function raiting(id,whot,url,$a_id)
{
	var post = 'id='+id+'&whot='+whot+'&a_id='+$a_id;
	if(document.all)
		var xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
		if(window.XMLHttpRequest) var xmlhttp=new XMLHttpRequest();
		xmlhttp.open("POST",url,true);
		xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		xmlhttp.onreadystatechange = function ()
		{
			if (xmlhttp.readyState == 4)
				{
					if (xmlhttp.responseText)
					{
						if(url != 'http://prostoilegko.ru/raiting.php')
							document.getElementById('raiting'+id).innerHTML = xmlhttp.responseText;
						else 
							document.getElementById('raiting').innerHTML = xmlhttp.responseText;
					}
				}
		}
	xmlhttp.send(post);
}
//---------------------------------------------------------------------------------------------

function checked_form(){
	var caption = document.getElementById('caption');
	var text	= document.getElementById('form_comment_text');
	var tegs	= document.getElementById('tegs');
	var value_ed= document.getElementById('value_ed');
	if(caption.value == '') {alert('Вы не ввели заголовок.'); return false;}
	if(text.value == '')	  {alert('Вы не текст объявления.'); return false;}
	if(tegs.value == '')	  {alert('Вы не ввели теги.'); return false;}
	if(value_ed.value == ''){alert('Вы не ввели цену.'); return false;}
	return true;
}