browsok = (((navigator.appName == "Netscape")
&& (parseInt(navigator.appVersion) >= 3))
|| ((navigator.appName == "Microsoft Internet Explorer")
&& (parseInt(navigator.appVersion)>=3)));


if(browsok){
  // MouseOn
home1 = new Image(98, 20);
home1.src = "common/home_hover.gif";

about1 = new Image(98, 50);
about1.src = "common/about_hover.gif";

plastic_duct1 = new Image(98, 64);
plastic_duct1.src = "common/plastic_duct_hover.gif";

other1 = new Image(98, 22);
other1.src = "common/other_hover.gif";

request1 = new Image(98, 22);
request1.src = "common/request_hover.gif";

contact1 = new Image(98, 23);
contact1.src = "common/contact_hover.gif";

QL1 = new Image(28, 23);
QL1.src = "common/QL_arrow_hover.gif";

QL21 = new Image(28, 23);
QL21.src = "common/QL_arrow_hover.gif";


  // MouseOff
home0 = new Image(98, 20);
home0.src = "common/home_inactive.gif";

about0 = new Image(98, 50);
about0.src = "common/about_inactive.gif";

plastic_duct0 = new Image(98, 64);
plastic_duct0.src = "common/plastic_duct_inactive.gif";

other0 = new Image(98, 22);
other0.src = "common/other_inactive.gif";

request0 = new Image(98, 37);
request0.src = "common/request_inactive.gif";

contact0 = new Image(98, 23);
contact0.src = "common/contact_inactive.gif";

QL0 = new Image(28, 23);
QL0.src = "common/QL_arrow_inactive.gif";

QL20 = new Image(28, 23);
QL20.src = "common/QL_arrow_inactive.gif";

}
function mouseon(n){
     if(browsok){
          imageON = eval(n + "1.src");
          document [n].src = imageON;
          }
}
function mouseoff(n){
     if(browsok){
imageOFF = eval(n + "0.src");
     document [n].src = imageOFF;
          }
}

function openWin(url, width, height) {

                            windowName = "buttons";
                            params = "toolbar=0,";
                            params += "location=0,";
                            params += "directories=0,";
                            params += "status=0,";
                            params += "menubar=0,";
                            params += "scrollbars=1,";
                            params += "resizable=1,";

                            params += "width="+width+",";
                            params += "height="+height;

                            win = window.open(url, windowName, params);
                            win.opener.name = "opener";
}