var version = navigator.appVersion;

version = version.substring(0,1);

var browser = navigator.appName;

var chk = 1;

if ((browser =="Netscape" && version >= "3") || (browser =="Microsoft Internet Explorer" && version >= "4")){
chk = 0;
}
else {
chk = 1;
}

if (chk == 0)
{
m10=new Image();
m11=new Image();
m10.src="images/btn_info1.gif";
m11.src="images/btn_info2.gif";

m20=new Image();
m21=new Image(); 
m20.src="images/btn_info3.gif";
m21.src="images/btn_info4.gif";

m30=new Image();
m31=new Image();
m30.src="images/btn_info5.gif";
m31.src="images/btn_info6.gif";








i10=new Image();
i11=new Image();
i10.src="images/comment_info1.gif";
i11.src="images/comment_info1.gif";

i20=new Image();
i21=new Image();
i20.src="images/comment_info1.gif";
i21.src="images/comment_info2.gif";

i30=new Image();
i31=new Image();
i30.src="images/comment_info1.gif";
i31.src="images/comment_info3.gif";








}
function display(num) {

if (chk == 0) {
if (num == 1) {
document.m1.src=m10.src;
document.info1.src=i10.src;
return true;

} else if (num == 2) {
document.m1.src=m11.src;
document.info1.src=i11.src;
return true;

}else if (num == 3) {
document.m2.src=m20.src;
document.info1.src=i20.src;
return true;

}else if (num == 4) {
document.m2.src=m21.src;
document.info1.src=i21.src;
return true;

}else if (num == 5) {
document.m3.src=m30.src;
document.info1.src=i30.src;
return true;

}else if (num == 6) {
document.m3.src=m31.src;
document.info1.src=i31.src;
return true;


}
}

else {

return false;

}
}