NN4=(navigator.appName.indexOf('Netscape')!=-1&&parseInt(navigator.appVersion) < 5);
NN5=(navigator.appName.indexOf('Netscape')!=-1&&parseInt(navigator.appVersion) > 4.9);
IE=(navigator.appName.indexOf('Microsoft')!=-1);

function showImage(imgName) {
	textArray1 = imgName.split("");
	textArray2 = new Array();
	j = 0;
	for (i=0; i < textArray1.length; i++) {
		if (textArray1[i] != "-") {
			textArray2[j] = textArray1[i];
			j += 1;
		}
	}
	textString = textArray2.join("");

	
	parent.contentFrm.document.images["bigImage"].src = "./images/" + imgName + ".jpg";
	
	if (IE) {
		parent.contentFrm.document.all.caption.innerHTML = eval(textString);
	}
	if (NN5) {	
		parent.contentFrm.document.getElementById('caption').innerHTML = eval(textString);
	}
	if (NN4) {	
	  var lyr = parent.contentFrm.document.layers['nn4Caption'].document;
	  lyr.open()
	  lyr.write("<span class='caption'>" + eval(textString) + "<\/span>");
	  lyr.close()
	}	
}	

function showNav(url) {
	parent.navFrm.location = url;
}