function explosion(url)
{
if (!document.layers&&!document.all&&!document.getElementById)
  {
  paramstp="height=550,width=800,top=10,left=10,scrollbars=yes,location=no"+
  ",directories=no,status=no,menubar=no,toolbar=no,resizable=no"
  var crw=window.open(url,"",paramstp);
  if (crw.focus){crw.focus();}
  return;
  }
var winwidth=100;
var winheight=100;
var winreswidth=480;
var winresheight=350;
var LeftPosition=(winreswidth-winwidth)/2;
var TopPosition=winresheight-winheight/2;

var paramstr="left="+LeftPosition+",top="+TopPosition+",width="+winwidth+
              ",height="+winheight+",toolbar=no,menubar=no,location=no,"+
              "status=no,scrollbars=yes,resizable=no";
var crw=open(url,"",paramstr);

crw.resizeBy(0,-40);

var resspeed=50;
var wspeed=winreswidth/resspeed;
var hspeed=winresheight/resspeed;
var x=wspeed;

while (x)
{
  crw.resizeBy(x,0);
  winwidth+=x;
  LeftPosition=(winreswidth-winwidth)/2;
  TopPosition-=wspeed;
  if (LeftPosition<0) LeftPosition=0;
  if (TopPosition<0) TopPosition=0;
  crw.moveTo(LeftPosition,TopPosition);
  if (winwidth>=winreswidth) x=0;

}
crw.moveTo(0,0);

var y=hspeed;
winheight=50;
while(y)
{
  crw.resizeBy(0,y);
  winheight+=y;
  if (winheight>=winresheight) y=0;
}
crw.resizeTo(winreswidth,winresheight);
if (crw.focus){crw.focus();}
}