var idplaying = "null"; 

function getUpdate(typ,pr1,pr2,pid) { 
	if ((pid != "null")&&(typ=="state")&&(pr1==2)) {

		if ((idplaying != "null")&&(idplaying != pid)) { thisMovie(idplaying).sendEvent('stop'); }
		idplaying=pid;
	}
};

function thisMovie(movieName) {
	if(navigator.appName.indexOf("Microsoft") != -1) {
		return window[movieName];
	} else {
		return document[movieName];
	}
};