function popUp()
	{
		var check=document.getElementById('pop_overlay').style.display;
		if(check=='none')
		{
			document.getElementById('pop_overlay').style.display='block';
			document.getElementById('pop_container').style.display='block';
		}
		else
		{
			document.getElementById('pop_overlay').style.display='none';
			document.getElementById('pop_container').style.display='none';
		}
	}
	
	function HelpPopUp()
	{
		var check=document.getElementById('helppop_overlay').style.display;
		if(check=='none')
		{
			document.getElementById('helppop_overlay').style.display='block';
			document.getElementById('helppop_container').style.display='block';
		}
		else
		{
			document.getElementById('helppop_overlay').style.display='none';
			document.getElementById('helppop_container').style.display='none';
		}
	}	
	
	
	function AboutPopUp()
	{
		var check=document.getElementById('aboutpop_overlay').style.display;
		if(check=='none')
		{
			document.getElementById('aboutpop_overlay').style.display='block';
			document.getElementById('aboutpop_container').style.display='block';
		}
		else
		{
			document.getElementById('aboutpop_overlay').style.display='none';
			document.getElementById('aboutpop_container').style.display='none';
		}
	}	
	
	function readCookie(name)
	{
	  var ca = document.cookie.split(';');
	  var nameEQ = name + "=";
	  for(var i=0; i < ca.length; i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1, c.length); //delete spaces
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
		}
	  return null;
	}
	
	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 eraseCookie(name)
	{
	  createCookie(name, "", -1);
	}
	
	function ChangePopupStatus()
	{
		//alert(document.getElementById("WelcomeCheck").checked);
		if (document.getElementById("PopupCheck").checked)
		{
			eraseCookie("ShowPopup");
			createCookie("ShowPopup",'False',100);
		}else{
			eraseCookie("ShowPopup");
			createCookie("ShowPopup",'True',100);
		}
	}

	function ChangePopupStatusFromPopup()
	{
		if (document.getElementById("HideGuidesCheck").checked)
		{
			eraseCookie("ShowPopup");
			createCookie("ShowPopup",'False',100);
			document.getElementById("PopupCheck").checked = true;
		}else{
			eraseCookie("ShowPopup");
			createCookie("ShowPopup",'True',100);
			document.getElementById("PopupCheck").checked = false;
		}
	}