/************************************************************************************************
Cookies-based advertisment:
************************************************************************************************/

function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}
							
function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return false;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}


function showPopup(url, delaytime, style, expAdvDate) {
/* delaytime in seconds */
  var now = new Date();
  var ls;
  var expDate = new Date(expAdvDate);

    
  if (expDate>now)
  	{
		now.setTime(now.getTime() + delaytime * 1000);
  
		ls=getCookie("LastShow")
		if (ls==false)
			{
			window.open(url,'',style);
			setCookie("LastShow", "showit", now)
			}
	} 
  }