function thisMovie(movieName) {
	if(navigator.appName.indexOf("Microsoft") != -1) {
		//return window[movieName];
		return window.document[movieName];
	} else {
		return document[movieName];
	}
}
var t = 0;
function zoomButton() {
	if(t % 2 == 0){
		doPassVar("zoomin");
		t++;
	}
	else {
		doPassVar("zoomout");
		t++;
	}
}
function doPassVar(args){
	thisMovie("imagezoom").SetVariable('action', args);
}