function img_act(imgName) {
        if (document.images) {
                imgOn = eval(imgName + "on.src");
                document [imgName].src = imgOn;
        }}

function img_inact(imgName) {
        if (document.images) {
                imgOff = eval(imgName + "off.src");
                document [imgName].src = imgOff;
        }}
function openWin( windowURL, windowName, windowFeatures ) { 
                return window.open( windowURL, windowName, windowFeatures ) ; 
        } 

// master.js

var homePage = 0;
var dimensScreen = screen.width ;

 if ( document.images ) {
	toc1on = new Image();
	toc1on.src = "/prof/images/alpha_nav/a_1_on.gif";
	toc2on = new Image();
	toc2on.src = "/prof/images/alpha_nav/a_2_on.gif";
	toc3on = new Image();
	toc3on.src = "/prof/images/alpha_nav/a_3_on.gif";
	toc4on = new Image();
	toc4on.src = "/prof/images/alpha_nav/a_4_on.gif";
	toc5on = new Image();
	toc5on.src = "/prof/images/beta_nav/b_about_on.gif";
	toc6on = new Image();
	toc6on.src = "/prof/images/beta_nav/b_contact_on.gif";
	toc7on = new Image();
	toc7on.src = "/prof/images/beta_nav/b_registration_on.gif";
	toc8on = new Image();
	toc8on.src = "/prof/images/beta_nav/b_events_on.gif";
	toc9on = new Image();
	toc9on.src = "/prof/images/beta_nav/b_trade_on.gif";
	toc10on = new Image();
	toc10on.src = "/prof/images/beta_nav/b_mail_on.gif";
	toc11on = new Image();
	toc11on.src = "/prof/images/home/products/b_video_on.gif";
	toc12on = new Image();
	toc12on.src = "/prof/images/home/products/b_storage_on.gif";
	toc13on = new Image();
	toc13on.src = "/prof/images/home/products/b_presentation_on.gif";
	toc14on = new Image();
	toc14on.src = "/prof/images/home/products/b_security_on.gif";
	toc20on = new Image();
	toc20on.src = "/prof/images/universal/b_button_on.gif";
	
	toc1off = new Image();
	toc1off.src = "/prof/images/alpha_nav/a_1_off.gif";
	toc2off = new Image();
	toc2off.src = "/prof/images/alpha_nav/a_2_off.gif";
	toc3off = new Image();
	toc3off.src = "/prof/images/alpha_nav/a_3_off.gif";
	toc4off = new Image();
	toc4off.src = "/prof/images/alpha_nav/a_4_off.gif";
	toc5off = new Image();
	toc5off.src = "/prof/images/beta_nav/b_about_off.gif";			
	toc6off = new Image();
	toc6off.src = "/prof/images/beta_nav/b_contact_off.gif";
	toc7off = new Image();
	toc7off.src = "/prof/images/beta_nav/b_registration_off.gif";
	toc8off = new Image();
	toc8off.src = "/prof/images/beta_nav/b_events_off.gif";
	toc9off = new Image();
	toc9off.src = "/prof/images/beta_nav/b_trade_off.gif";
	toc10off = new Image();
	toc10off.src = "/prof/images/beta_nav/b_mail_off.gif";
	toc11off = new Image();
	toc11off.src = "/prof/images/home/products/b_video_off.gif";
	toc12off = new Image();
	toc12off.src = "/prof/images/home/products/b_storage_off.gif";
	toc13off = new Image();
	toc13off.src = "/prof/images/home/products/b_presentation_off.gif";
	toc14off = new Image();
	toc14off.src = "/prof/images/home/products/b_security_off.gif";
	toc20off = new Image();
	toc20off.src = "/prof/images/universal/b_button_off.gif";
}

var img_ar = new Array();
img_ar[0] = new Image();
img_ar[0].src = "/prof/images/alpha_nav/a_1_off.gif";
img_ar[1] = new Image();
img_ar[1].src = "/prof/images/alpha_nav/a_1_on.gif";
img_ar[2] = new Image();
img_ar[2].src = "/prof/images/alpha_nav/a_2_off.gif";
img_ar[3] = new Image();
img_ar[3].src = "/prof/images/alpha_nav/a_2_on.gif";
img_ar[4] = new Image();
img_ar[4].src = "/prof/images/alpha_nav/a_3_off.gif";
img_ar[5] = new Image();
img_ar[5].src = "/prof/images/alpha_nav/a_3_on.gif";
img_ar[6] = new Image();
img_ar[6].src = "/prof/images/alpha_nav/a_4_off.gif";
img_ar[7] = new Image();
img_ar[7].src = "/prof/images/alpha_nav/a_4_on.gif";
img_ar[8] = new Image();
img_ar[8].src = "/prof/images/alpha_nav/a_5_off.gif";
img_ar[9] = new Image();
img_ar[9].src = "/prof/images/alpha_nav/a_5_on.gif";

// purple_menu.js