var clicked=""
var gtype=".gif"
var selstate="_over"
if (typeof(loc)=="undefined" || loc==""){
	var loc=""
	if (document.body&&document.body.innerHTML){
		var tt = document.body.innerHTML.toLowerCase();
		var last = tt.indexOf("nav_button.js\"");
		if (last>0){
			var first = tt.lastIndexOf("\"", last);
			if (first>0 && first<last) loc = document.body.innerHTML.substr(first+1,last-first-1);
		}
	}
}

document.write("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr>");
tr(false);
writeButton(loc+"../","index.html","nav_button_b1",171,44,"Home","",0);
writeButton(loc+"../","about_us.html","nav_button_b2",171,44,"About Us","",0);
writeButton(loc+"../","services.html","nav_button_b3",171,44,"Services","",0);
writeButton(loc+"../","contact_us.html","nav_button_b4",171,44,"Contact Us","",0);
tr(true);
document.write("</tr></table>")
loc="";

function tr(b){if (b) document.write("<tr>");else document.write("</tr>");}

function turn_over(name) {
	if (document.images != null && clicked != name) {
		document[name].src = document[name+"_over"].src;
	}
}

function turn_off(name) {
	if (document.images != null && clicked != name) {
		document[name].src = document[name+"_off"].src;
	}
}

function reg(gname,name)
{
if (document.images)
	{
	document[name+"_off"] = new Image();
	document[name+"_off"].src = loc+gname+gtype;
	document[name+"_over"] = new Image();
	document[name+"_over"].src = loc+gname+"_over"+gtype;
	document[name+"_on"] = new Image();
	document[name+"_on"].src = loc+gname+"_on"+gtype;
	}
}

function evs(name){ return " onmouseover=\"turn_over('"+ name + "')\" onmouseout=\"turn_off('"+ name + "')\""}

function writeButton(urld, url, name, w, h, alt, target, hsp)
{
	gname = name;
	while(typeof(document[name])!="undefined") name += "x";
	reg(gname, name);
	tr(true);
	document.write("<td height=\"50\">");
	if (alt != "") alt = " alt=\"" + alt + "\"";
	if (target != "") target = " target=\"" + target + "\"";
	if (w > 0) w = " width=\""+w+"\""; else w = "";
	if (h > 0) h = " height=\""+h+"\""; else h = "";
	var l = clicked!="" || !isCurrentFile(url);
	if (url != "") url = " href=\"" + urld + url + "\"";
	var isAnyButtonSelected = false;
	if (l) { document.write("<a " + url + evs(name) + target + ">"); }
	else { gname += selstate;
	       isAnyButtonSelected = true;
	     }
	
	gname += gtype;
	
	if (hsp == -1) hsp =" align=\"right\"";
	else if (hsp > 0) hsp = " hspace=\""+hsp+"\"";
	else hsp = "";
	
	var isService = (gname == "nav_button_b3_over.gif" || isCurrentFile("airfreight.html") || isCurrentFile("seafreight.html") || isCurrentFile("goh.html") || isCurrentFile("inlandtrans.html") || isCurrentFile("cutomerbrokage.html") || isCurrentFile("carriergsa.html"));
	var isServiceButton = gname == "nav_button_b3_over.gif" || gname == "nav_button_b3.gif";
	//alert(isService);
	document.write("<img src=\""+loc+gname+"\" name=\"" + name + "\"" + w + h + alt + hsp + " border=\"0\" />");
	if (isService && isServiceButton) {
	   var st = "<div style=\"font-family:Verdana, Arial, Helvetica, sans-serif; padding-left:25; font-size:12px; line-height:20px;\">";
	   st +=                    "<a href=\"airfreight.html\">" + "Air Freight" + "</a>";
	   st += "<br clear=all>" + "<a href=\"seafreight.html\">" + "Ocean Freight" + "</a>";
	   st += "<br clear=all>" + "<a href=\"goh.html\">" + "Garment-On-Hanger (GOH)" + "</a>";
	   st += "<br clear=all>" + "<a href=\"inlandtrans.html\">" + "Inland Transportation" + "</a>";
	   st += "<br clear=all>" + "<a href=\"cutomerbrokage.html\">" + "Customs Brokerage" + "</a>";
	   st += "<br clear=all>" + "<a href=\"carriergsa.html\">" + "Carrier GSA" + "</a>";
	   st += "</div>";
	   document.write(st);
        }
	
	if (l) document.write("</a>");
		
	document.write("</td>");
	tr(false);
}

function syncFile(f,nf)
{
	var matches = 'home.html*index.html*welcome.html*default.asp';
	var p = f.lastIndexOf('/');
	var sf = f;
	
	if (p >= 0) sf = f.substr(p+1, f.length-1);
	if (matches.indexOf(sf) == -1) return "";
	
	return sf;
}

function isCurrentFile(str)
{
	str = escape(str);
	str = str.toLowerCase();
	while (str.length > 3 && str.substring(0,3) == "../")
		str = str.substr(3, str.length-1);
	var fstr = str.indexOf(".htm");
	if (fstr == -1) fstr = str.indexOf(".asp");
	if (fstr < 1 && str.charAt(str.length-1) != '/') str += "/";
	var current = document.location.href.toLowerCase();
	var p = current.lastIndexOf('?');
	if (p > 0) current = current.substr(0, p);
	var fcurrent = current.indexOf(".htm");
	if (fcurrent == -1) fcurrent = current.indexOf(".asp");
	if (fcurrent < 1 && current.charAt(current.length-1) != '/') current += "/";	
	if (fstr != -1 && fcurrent == -1) current += syncFile(str, current);
	if (fstr == -1 && fcurrent != -1) str += syncFile(current, str);
		
	var currsize = current.length;
	var strsize = str.length;

	while (strsize >=0 && currsize >=0)
	{
		if (current.charAt(currsize) != str.charAt(strsize))
			return false;
			
		currsize = currsize -1;
		strsize = strsize -1;
	}
	
	return true;
}