<!-- hide from none JavaScript Browsers 

Image1= new Image(140,27)
Image1.src = "images/nav_home2.gif"

Image2= new Image(140,29)
Image2.src = "images/nav_abou.gif"

Image3= new Image(140,40)
Image3.src = "images/nav_sigm.gif"

Image4= new Image(140,30)
Image4.src = "images/nav_reco.gif"

Image6= new Image(140,58)
Image6.src = "images/nav_digi.gif"

Image7= new Image(140,30)
Image7.src = "images/nav_anth.gif"

Image9= new Image(140,29)
Image9.src = "images/nav_indu.gif"

Image10= new Image(140,35)
Image10.src = "images/nav_pods.gif"

Image11= new Image(140,56)
Image11.src = "images/nav_post.gif"

Image12= new Image(140,29)
Image12.src = "images/nav_reso.gif"

Image13= new Image(140,31)
Image13.src = "images/nav_cale.gif"

Image14= new Image(140,81)
Image14.src = "images/sd_draw.gif"

Image15= new Image(183,81)
Image15.src = "images/log_sigm.gif"

Image16= new Image(142,23)
Image16.src = "images/nav_sear.gif"

Image17= new Image(127,23)
Image17.src = "images/nav_join.gif"

Image18= new Image(110,23)
Image18.src = "images/nav_feed.gif"

Image19= new Image(123,23)
Image19.src = "images/nav_what.gif"

Image20= new Image(47,23)
Image20.src = "images/nav_home.gif"

Image22= new Image(54,54)
Image22.src = "images/log_acm.gif"

Image23= new Image(374,43)
Image23.src = "images/tagline.gif"

Image24= new Image(140,23)
Image24.src = "images/nav_top.gif"

// End Hiding -->




<!-- Rollover JavaScript functions relies on image replacement feature -->
<!-- of JavaScript 1.1 -->
<!-- 

function nbsp() {document.write("&nbsp;");}
function copy() {document.write("&copy;");}

bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if ((bName == "Netscape" && 3 <= bVer) || (bName == "Microsoft Internet Explorer" && bVer == 4)) {
             ver = "n3";
        } else {
             ver = "xx";
}

if (ver == "n3") {


		hom2on = new Image();
        hom2on.src = "images/nav_home2_ro.gif";
        
        hom2off = new Image();
        hom2off.src = "images/nav_home2.gif";
       
       
		aboon = new Image();
        aboon.src = "images/nav_abou_ro.gif";
        
        abooff = new Image();
        abooff.src = "images/nav_abou.gif";
       
       
        conon = new Image();
        conon.src = "images/nav_sigm_ro.gif";
        
        conoff = new Image();
        conoff.src = "images/nav_sigm.gif";

    
        sigon = new Image();
        sigon.src = "images/nav_reco_ro.gif";
        
        sigoff = new Image();
        sigoff.src = "images/nav_reco.gif";
                
        
        bibon = new Image();
        bibon.src = "images/nav_dblp_ro.gif";
        
        biboff = new Image();
        biboff.src = "images/nav_dblp.gif";
        
        
        digon = new Image();
        digon.src = "images/nav_digi_ro.gif";
        
        digoff = new Image();
        digoff.src = "images/nav_digi.gif";
        
       
        anton = new Image();
        anton.src = "images/nav_anth_ro.gif";
        
        antoff = new Image();
        antoff.src = "images/nav_anth.gif";
               
       
      	indon = new Image();
        indon.src = "images/nav_indu_ro.gif";
        
        indoff = new Image();
        indoff.src = "images/nav_indu.gif";
        
        
        podon = new Image();
        podon.src = "images/nav_pods_ro.gif";
        
        podoff = new Image();
        podoff.src = "images/nav_pods.gif";
        
        
        meson = new Image();
        meson.src = "images/nav_post_ro.gif";
        
        mesoff = new Image();
        mesoff.src = "images/nav_post.gif";
        
        
        recon = new Image();
        recon.src = "images/nav_reso_ro.gif";
       
        recoff = new Image();
        recoff.src = "images/nav_reso.gif";
        
        
        calon = new Image();
        calon.src = "images/nav_cale_ro.gif";
        
        caloff = new Image();
        caloff.src = "images/nav_cale.gif";
        
        
        seaon = new Image();
        seaon.src = "images/nav_sear_ro.gif";
       
        seaoff = new Image();
        seaoff.src = "images/nav_sear.gif";
        
        
        joion = new Image();
        joion.src = "images/nav_join_ro.gif";
       
        joioff = new Image();
        joioff.src = "images/nav_join.gif";
        
        
        feeon = new Image();
        feeon.src = "images/nav_feed_ro.gif";
       
        feeoff = new Image();
        feeoff.src = "images/nav_feed.gif";
        
        
        whaon = new Image();
        whaon.src = "images/nav_what_ro.gif";
       
        whaoff = new Image();
        whaoff.src = "images/nav_what.gif";
        
        
        homon = new Image();
        homon.src = "images/nav_home_ro.gif";
       
        homoff = new Image();
        homoff.src = "images/nav_home.gif";
                
        
       
}
function rollon(imgName) {
        if (ver == "n3") {
        imgOn = eval(imgName + "on.src");
        document[imgName].src = imgOn;
        }
}
function rolloff(imgName) {
        if (ver == "n3") {
        document[imgName].src = eval(imgName + "off.src");
        }
}
// -->