//this script is for the navigation

browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion)
>= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") &&
(parseInt(navigator.appVersion) >= 4 )))
        if ( browser) {
                normal = new MakeArray(13)
                roll = new MakeArray(13)

                normal[1].src = "images/buttons/h_btn_who_off.gif"
                normal[2].src = "images/buttons/h_btn_nyost_off.gif" 
                normal[3].src = "images/buttons/h_btn_pyost_off.gif" 
                normal[4].src = "images/buttons/h_btn_sbaczek_off.gif" 
                
                normal[5].src = "images/buttons/h_btn_what_off.gif"
                normal[6].src = "images/buttons/h_btn_overall_off.gif"
                normal[7].src = "images/buttons/h_btn_building_off.gif" 
                normal[8].src = "images/buttons/h_btn_design_off.gif"
                normal[9].src = "images/buttons/h_btn_training_off.gif"
                
                normal[10].src = "images/buttons/h_btn_resources_off.gif" 
                normal[11].src = "images/buttons/h_btn_contact_off.gif"
                normal[12].src = "images/buttons/h_btn_home_off.gif"
                normal[13].src = "images/buttons/btn_projects_off.gif"

                roll[1].src = "images/buttons/h_btn_who_on.gif"
                roll[2].src = "images/buttons/h_btn_nyost_on.gif" 
                roll[3].src = "images/buttons/h_btn_pyost_on.gif" 
                roll[4].src = "images/buttons/h_btn_sbaczek_on.gif" 
                
                roll[5].src = "images/buttons/h_btn_what_on.gif"
                roll[6].src = "images/buttons/h_btn_overall_on.gif"
                roll[7].src = "images/buttons/h_btn_building_on.gif" 
                roll[8].src = "images/buttons/h_btn_design_on.gif"
                roll[9].src = "images/buttons/h_btn_training_on.gif"
                
                roll[10].src = "images/buttons/h_btn_resources_on.gif" 
                roll[11].src = "images/buttons/h_btn_contact_on.gif"
                roll[12].src = "images/buttons/h_btn_home_on.gif"
                roll[13].src = "images/buttons/btn_projects_on.gif"

                                }
function MakeArray(n) {
      this.length = n
      for (var i = 1; i<=n; i++) {
       this[i] = new Image()

                      }
                return this
}

function msover(num) {
if ( browser) { 
loadImage = "Image" + num;
document.images[loadImage].src = roll[num].src
}

                }

function msout(num) {
if ( browser) {
loadImage = "Image" + num;
document.images[loadImage].src = normal[num].src
}
}

// -->