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/main/out1.gif"
imag[1] = "/_images/main/over1.gif"
imag[2] = "/_images/main/out2.gif"
imag[3] = "/_images/main/over2.gif"
imag[4] = "/_images/main/out3.gif"
imag[5] = "/_images/main/over3.gif"
imag[6] = "/_images/main/out4.gif"
imag[7] = "/_images/main/over4.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 change(num,imgname){
if(cando)
	document[imgname].src = im[num].src
}