var cando = false;
var browserName = navigator.appName;
var browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) cando = true;
else if( browserVer >=4 ) cando=true;
if( cando ) {
        imag = new Array();
        imag[0] = "/images/about_w.gif";
        imag[1] = "/images/about_g.gif";
		imag[2] = "/images/services_w.gif";
		imag[3] = "/images/services_g.gif";
		imag[4] = "/images/news_w.gif";
		imag[5] = "/images/news_g.gif";
		imag[6] = "/images/interes_w.gif";
		imag[7] = "/images/interes_g.gif";
                imag[8] = "/images/contact_w.gif";
		imag[9] = "/images/contact_g.gif";

        im = new Array()
        for (var i = 0; i < imag.length; i++){
                if( imag[i] != "" ) {
                        im[i] = new Image();
                        im[i].src = imag[i];
                }
        }
}

function swtch(num,imgname){
        if( cando )
        eval("document.getElementById('"+imgname+"').src = im[num].src;");
}

function smthshow(id, display) {
	document.getElementById(id).style.display = display ? "block" : "none";
}