function init() {
	
	if ((navigator.appName == 'Netscape') && (parseInt(navigator.appVersion) == 4)) {
		ns4 = true;
	}
	if (navigator.appName.indexOf('Microsoft') != -1) {
		ie4 = true;
	}

}

function expoBlowUp(x,sIMG,w,dT) {
window.location.href = ('http://www.copronason.com/cgi-bin/expo_view3.cgi?expo=' + x + '&page=' + w + '&view=' + sIMG + '&detail=' + dT);
}