function Set_Cookie( name, value, expires, path, domain, secure ) 
{
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );

	/*
	if the expires variable is set, make the correct 
	expires time, the current script below will set 
	it for x number of days, to make it for hours, 
	delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires )
	{
	expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );

	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
	( ( path ) ? ";path=" + path : "" ) + 
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}

// this function gets the cookie, if it exists
function Get_Cookie( name ) 
{				
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && 
	( 
		name != document.cookie.substring( 0, name.length ) ) )
	{
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}
			
// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
if ( Get_Cookie( name ) ) document.cookie = name + "=" +
( ( path ) ? ";path=" + path : "") +
( ( domain ) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function CheckCookie()
{
	var tmpCookie = document.cookie;
	document.cookie = "";
	
	// remember, these are the possible parameters for Set_Cookie:
	// name, value, expires, path, domain, secure
	Delete_Cookie('test', '/', '');
	Set_Cookie('test', 'none', '', '/', '', '' );
	// if Get_Cookie succeeds, cookies are enabled, since 
	//the cookie was successfully created.
	var testCookietje = Get_Cookie( 'test' );
	
	
	if ( testCookietje != null )
	{
		
		//alert( 'cookies are currently enabled.' );
		Delete_Cookie('test', '/', '');
		
	} 
	// if the Get_Cookie test fails, cookies 
	//are not enabled for this session.
	else
	{
	
	if(document.cookie == "")
	{ 
		
		if(document.location.href.indexOf('Error') <= 0)
		{
			//if cookies are disabled. redirect to the error page.
			//Find the correct URL and redirect.
			var pageUrl     = document.location.href;
			var aspxpage    = pageUrl.indexOf('aspx');
			var virDirName  = 'DSMNutriNorm';
			var virDirIndex = pageUrl.indexOf(virDirName);
			var pageindex   = pageUrl.lastIndexOf('/');
			var url		    = pageUrl.substring(0,virDirIndex+virDirName.length  +1);
			var query	    = pageUrl.substring(aspxpage-1,pageUrl.length);
			document.location = url + 'Error/SessionExpired.aspx';// + query;
		}
	}
	}
	document.cookie = tmpCookie;
}