function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}

function cImage(layer,imgName,imgObj) {
now = new Date(); 
	if (document.images) {
		if (document.layers && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src')
		else document.images[imgName].src = eval(imgObj+".src")
	}
}
  var win = null;
  function Nwin(mypage,myname,w,h){
  LeftPosition = (screen.width) ? (screen.width)/8 : 0;
  TopPosition = 110;
  settings =
  'width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,resizable'
  win = window.open(mypage,myname,settings)
  if(win.window.focus){win.window.focus();}
  }