var NE6,IE=false;

if(navigator.appName=="Netscape"){
if(parseInt(navigator.appVersion)>=5){
 NE6=true
}
}else if(navigator.appName=="Microsoft Internet Explorer"){
IE=true
}

var page
var x
var y 

function swpI(idx,pp,px,py){
 if(IE){document.all.show.src=imgdir+"/"+img_name[idx] }
 if(NE6){document.getElementById("show").src=imgdir+"/"+img_name[idx] }
 page=pp
 x=px
 y=py
}
function bigL() {
 nwin = NewWindow( page ,'nqc',x,y,'no','center');
}