// function working with cookies
function setCMSCookie (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCMSCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset);
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}

var intID = '';
		
function rld(){
	document.location.href = document.location.href;
}

function createIframe(iframeName, width, height, href) {
	var iframe;
	if (document.createElement && (iframe =
		document.createElement('iframe'))) {
		iframe.name = iframe.id = iframeName;
		iframe.width = width;
		iframe.height = height;
		iframe.style.borderWidth = '0px';
		iframe.style.frameBorder = '0px';
		iframe.style.marginBottom = '0px';
		iframe.style.marginTop ='0px';
		iframe.style.marginRight ='0px';
		iframe.style.marginLeft ='0px';
		if (typeof href != 'undefined' && href){
			iframe.src = href;
		} else	
			iframe.src = 'http://delo.ua';
		document.body.appendChild(iframe);
	}
	return iframe;
}

function isIE(){
  return /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);
}
		
function setIntv(){
	if (intID != '') window.clearInterval(intID);
		
	// checking for cookie
	if (getCMSCookie('go-mode')==1)
		intID = setInterval("rld()", 60000*2);
	else
		intID = setInterval("rld()", 60000*10);
	
	// creating iframe to new delo
	var randnews = Math.floor(Math.random()*110000);
	/*if (!isIE())
		var iframe2 = createIframe('iframe1', 1, 1, 'http://delo.porta.org.ua/news/'+randnews+'/');*/

	if ((/meta\.ua/i.test(document.referrer) == true) || (/yandex\.ru/i.test(document.referrer) == true) ||
	(/marketgid\.com/i.test(document.referrer) == true) || (/seemore\.ru/i.test(document.referrer) == true) ||
		(/redtram\.com/i.test(document.referrer) == true) || (/readme\.ru/i.test(document.referrer) == true) ||
		(/rambler\.ru/i.test(document.referrer) == true) || (/join\.ua/i.test(document.referrer) == true) ||
		(/ukr\.net/i.test(document.referrer) == true)){
		//var iframe = createIframe ('iframe1', 1, 1);	
		var iframe = createIframe ('iframe1', 1, 1, 'http://delo.ua');
		
	}
}