function closeBrowserWindow()
{
	_scormHelper.finish();
	window.close();
}
function extract( name )
{ 
	name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");  
	var regexS = "[\\?&]"+name+"=([^&#]*)";  
	var regex = new RegExp( regexS );  
	var results = regex.exec( window.location.href );  
	if( results == null )
	{
		return "";  
	}else{
		return results[1];
	}
}