
  <!----------Pop Up---------->
function Is ()
{   // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase()

    this.major = parseInt(navigator.appVersion)
    this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1)))
    this.nav3 = (this.nav && (this.major == 3)) 
    this.ie   = (agt.indexOf("msie") != -1)
}
var is = new Is();

function popup(url,width,height) {
        if (is.nav) {
                width  += (is.nav3) ? 20 : 15;
                height += (is.nav3) ? 30 : 15;
        } else {
                width  += 0;
                height += 0;
        }
        newWinObj = window.open(url,'','toolbar=0,location=0,directories=0,status=0, menubar=0,scrollbars=no,resizable=0,copyhistory=0,width=' + width + ',height=' + height);
        newWinObj.moveTo(100,50); 
}
<!----------//Pop Up---------->
<!-- Fade nas fotos
nereidFadeObjects = new Object();
nereidFadeTimers = new Object();

function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){ 
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
        
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;

    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
        nereidFadeTimers[object.sourceIndex]=setTimeout
	("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
   }
}
 //-->