function cookieCreate(sName, sValue, sDateExpired)
	{
		if (sDateExpired)
		{
			var dDate = new Date(sDateExpiration);
			var expires = "; expires="+ dDate.toGMTString();
		}
		else 
			var expires = "";
		
		//alert(sName + "=" + sValue + expires + "; path=/");
		document.cookie = sName + "=" + sValue + expires + "; path=/";
	}
	
	
	function cookieRead (sCookieName)
	{
		var nameEQ = sCookieName + '=';
		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;
	}