// JavaScript Document

	browserName = navigator.appName; 
	browserVer = parseInt(navigator.appVersion); 
	if (browserName == "Netscape" && browserVer >= 3) version = "n3"; 
	else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "e4"; 
	else version = "n2";
	if (version == "n3" || version == "e4") 
	{
		var toc1on = new Image; toc1on.src = "images/links_arrow-blue.gif";
		var toc2on = new Image; toc2on.src = "images/links_arrow-blue.gif";
		var toc3on = new Image; toc3on.src = "images/links_arrow-blue.gif";
		var toc4on = new Image; toc4on.src = "images/links_arrow-blue.gif";
		var toc5on = new Image; toc5on.src = "images/links_arrow-blue.gif";
		var toc6on = new Image; toc6on.src = "images/links_arrow-blue.gif";
		var toc7on = new Image; toc7on.src = "images/links_arrow-blue.gif";
		var toc8on = new Image; toc8on.src = "images/links_arrow-blue.gif";
		var toc1off = new Image; toc1off.src = "images/links_arrow.gif";
		var toc2off = new Image; toc2off.src = "images/links_arrow.gif";
		var toc3off = new Image; toc3off.src = "images/links_arrow.gif";
		var toc4off = new Image; toc4off.src = "images/links_arrow.gif";
		var toc5off = new Image; toc5off.src = "images/links_arrow.gif";
		var toc6off = new Image; toc6off.src = "images/links_arrow.gif";
		var toc7off = new Image; toc7off.src = "images/links_arrow.gif";
		var toc8off = new Image; toc8off.src = "images/links_arrow.gif";
	}
	function img_act(imgName) {
		if (version == "n3" || version == "e4") {
		imgOn = eval(imgName + "on.src");
		document[imgName].src = imgOn; } 
	}
	function img_inact(imgName) {
		if (version == "n3" || version == "e4") {
		imgOff = eval(imgName + "off.src");
		document [imgName].src = imgOff; } 
	}