function js_div( d, f ) {
 if(d.length < 1) { return; }
 var o = js_find( d );
 if ( o && f ) {
  //AssignPosition(o);
  js_center(o);
  o.style.display = "block";
 } else if ( o && ! f ) {
  o.style.display = "none";
 }
 return true;
}

function js_find(n, d) { // MM_findObj v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=js_find(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}


var dw=0; /* x-placement */
var dh=428; /* y-placement */
var lt=(window.width-dw)/2;

function js_center(x) {
	var obj=x.style;
	obj.position="absolute";
	if( navigator.appName=="Netscape") {
	ns=window.scrollY;
	obj.top=50+"%"
	obj.marginTop=-dh+ns+"px";
	obj.left=lt+"px";
	} else {
	ie=document.body.parentNode.scrollTop;
	obj.top=50+"%";
	obj.marginTop=-dh+ie+"px";
	obj.left=lt+"px";
	}
}