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/menu1.gif";

        imag[1] = "/images/menu2.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";

}