function ShowHide(vPostid) { 
   var vWhichpost = document.getElementById(vPostid);  
   if (vWhichpost.className=="visible") { 
      vWhichpost.className="hidden"; 
   } 
   else { 
      vWhichpost.className="visible"; 
   } 
}

function ShowHideVideo() {
	ShowHide('overlay_video');
	ShowHide('overlay');
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function Language(language,num) {
	createCookie('lang',language,1);
	createCookie('langnum',num,1);
	window.location.reload();
}