var curlink=location.href;
var textEn="Eng";
var textUa="سيِ";

function sh_replace(arg_chto, arg_chem, arg_str) {
    dodatok = "!-!-!-!";
    buf = dodatok+arg_str+dodatok;
    cur_poz = 0;
    for (i=1; i<=100; i++) {
        poz = buf.indexOf(arg_chto, cur_poz);
        if (poz != -1) {
            start_str = buf.slice(0, poz);
            end_str = buf.slice(poz+arg_chto.length);
            buf = start_str+arg_chem+end_str;
            cur_poz = start_str.length+arg_chem.length;
        } else {
            break;
        }
    }
    buf = buf.slice(dodatok.length, buf.length-dodatok.length);
    return buf;
}

function getLangLink(getlang) {
	if (curlink.indexOf("?")>=0) { str="&"; } else { str="?"; } 
	if (getlang=="en") { textLang=textEn; } else { textLang=textUa; }
	if (lang==getlang) {
		retval="<img src=\"/i/textbut_"+getlang+"_p.gif\" width=25 height=15 border=0 alt='"+textLang+"'><br>";
	} else {
		if (doctype=="static") {
			if (curlink.indexOf("_en.html")>=0) {
				stlink=sh_replace("_en.html", ".html", curlink);
			} else {
				stlink=sh_replace(".html", "_en.html", curlink);
			}
			retval="<a href=\""+stlink+"\" class=\"LnSwitch\"><img src=\"/i/but_"+getlang+".gif\" width=25 height=15 border=0 alt='"+textLang+"'><br></a>";
		} else {
			curlink=sh_replace("&lang=ua", "", curlink);
			curlink=sh_replace("&lang=en", "", curlink);
			curlink=sh_replace("lang=ua", "", curlink);
			curlink=sh_replace("lang=en", "", curlink);
			retval="<a href=\""+curlink+str+"lang="+getlang+"\" class=\"LnSwitch\"><img src=\"/i/textbut_"+getlang+".gif\" width=25 height=15 border=0 alt='"+textLang+"'><br></a>";
		}
	}
	return retval;
}