//©Xara Ltd
var loc="images/";
var clicked="";
var gtype=".gif";
var selstate="_over";

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;
	}
}

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

function showPage(url, target){
	if(target && target != "") {
		doc=getRef(target);
		doc.src = url;
	}
	else
		document.location.href = url;
}

function click(url, target){
	return " onclick=\"showPage('" + url + "','" + target + "')\"";
}

function writeButton(urld,url,name,w,h,alt,target,hsp,vert){
	gname=name;
	while(typeof(document[name])!="undefined")name+="x";
	reg(gname,name);
	if(vert == "vert")
		tr(true);
	document.write("<td>");
	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+"\"";
	if(l){
		if(url.indexOf("javascript:")>=0)
			document.write("<a class=\"a_click\" onclick='"+ url.substr(url.indexOf("javascript:")+11) + "'" + evs(name)+">");
		else			
			document.write("<a class=\"a_click\" "+click(url, target)+evs(name)+">");
		
	} else 
		gname+=selstate;gname+=gtype;
	if(hsp==-1)hsp=" align=\"right\"";
	else if(hsp>0)hsp=" hspace=\""+hsp+"\"";
	else hsp="";
	document.write("<img src=\""+loc+gname+"\" name=\""+name+"\""+w+h+alt+hsp+" border=\"0\" />");
	if(l)document.write("</a>");
	document.write("</td>");
	if(vert == "vert")
		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){
	var p=str.lastIndexOf(':');
	if(p>0)str=str.substr(p+1,str.length-1);
	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)fstr=str.indexOf(".php");
	if(fstr==-1)fstr=str.indexOf(".jsp");
	if(fstr==-1)fstr=str.indexOf(".txt");
	if(fstr<1&&str.charAt(str.length-1)!='/')str+="/";
	var current=document.location.href.toLowerCase();
	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)fcurrent=current.indexOf(".php");
	if(fcurrent==-1)fcurrent=current.indexOf(".jsp");
	if(fcurrent==-1)fcurrent=current.indexOf(".txt");
	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;
}