brok = false;
brname = navigator.appName; brver = parseFloat(navigator.appVersion); 
if (brname == "Netscape" && brver >= 3.0) { brok=true; } 
    else if (brname == "Microsoft Internet Explorer" && brver >= 3.0) { brok=true;}  
function over(img,ref) { if (brok) { document.images[img].src=ref;} } 
function out(img,ref) { if (brok) { document.images[img].src=ref;} } 
if (brok) { img1=new Image; img1.src="/img/switchtoenglish.gif"; 
	    img2=new Image; img2.src="/img/switchtoenglish2.gif";
	    img3=new Image; img3.src="/img/icmar2002.jpg";
	    img4=new Image; img4.src="/img/icmar20022.jpg"; }