// This file contains all the necessary javascript 
// routines and variables for the mwe website.

var LineCardWin = null;
function view_line_cards(which_card) {
    if (LineCardWin == null || LineCardWin.closed) {
         LineCardWin = window.open(which_card,"linecard_viewer","resizable=yes,scrollbars=yes,toolbar=yes,status=no,width=640,height=480,left=100,top=50");
    }
    else {
        LineCardWin.document.location = which_card;
    }
    LineCardWin.focus();
    LineCardWin.status="Copyright 2003 MWE Inc.";
}

function newImage(imgname) {
        if (document.images) {
                nwimg = new Image();
                nwimg.src = imgname;
                return nwimg;
        }
}
var imgspreloaded = false;
function changeImages() {
        if (document.images && (imgspreloaded == true)) {
                for (var i = 0; i < changeImages.arguments.length; i += 2) {
                        document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
                }
        }
        window.status = " ";
}
function showStatus(msg) {
         window.status = msg;
         return true;
}
function preloadImages(page) {
        if (document.images) {
	    if (page == "home") {
                mid_upper_NC_on    = newImage("images03/mid_upper_links_NC_on.gif");
                mid_upper_NC_on    = newImage("images03/mid_upper_links_KE_on.gif");
                mid_upper_NC_on    = newImage("images03/mid_upper_links_KC_on.gif");
                mid_upper_NC_on    = newImage("images03/mid_upper_links_ME_on.gif");
                mid_upper_NC_on    = newImage("images03/mid_upper_links_MC_on.gif");
                mid_lower_NC_on    = newImage("images03/mid_lower_links_NC_on.gif");
                mid_lower_NC_on    = newImage("images03/mid_lower_links_KE_on.gif");
                mid_lower_NC_on    = newImage("images03/mid_lower_links_KC_on.gif");
                mid_lower_NC_on    = newImage("images03/mid_lower_links_ME_on.gif");
                mid_lower_NC_on    = newImage("images03/mid_lower_links_MC_on.gif");
	    }
	    // all pages get these
            top_bar_home_on    = newImage("images03/top_bar_link_home_on.gif");
            top_bar_elec_on    = newImage("images03/top_bar_link_elec_on.gif");
            top_bar_comm_on    = newImage("images03/top_bar_link_comm_on.gif");
            top_bar_seminars_on   = newImage("images03/top_bar_link_seminars_on.gif");
            top_bar_samples_on    = newImage("images03/top_bar_link_samples_on.gif");
            top_bar_profile_on    = newImage("images03/top_bar_link_profile_on.gif");
            imgspreloaded = true;
        }
}