/* Clean up URL removing unnecessary ../'s from middle of it */
function cleanupurl(url)	{
	var pos,posone,postwo;
	posone=0;
	while( (pos=url.indexOf('/../',posone)) > 0 )	{
		if(url.charAt(pos-1) == '.' )	{
			posone = pos+4;
			continue;
		}
		postwo = url.lastIndexOf('/',pos-1)
		if( postwo < 0 )	{
			url = url.substring(pos+4,url.length);
			posone=0;
			continue;
		}
		url = url.substring(0,postwo+1) + url.substring(pos+4,url.length);
	}
	return(url);
}