var imgwin=null
window.addEvent('domready',function(){
var links=$$('a.popup')
links.each(function(link){
link.addEvent('click',function(){
var w=540
var h=600
var url=this.getAttribute('href')
url=url+'?popup=1'
var padding=0
var screenw=screen.availWidth
var screenh=screen.availHeight
var winw=(w+padding)
var winh=(h+padding)
var posx=(screenw/2)-(winw/2)
var posy=(screenh/2)-(winh/2)
if(imgwin){
imgwin.close()}
imgwin=window.open(url,"imgwin","top="+posy+",left="+posx+",width="+winw+",height="+winh+",menubar=yes,locationbar=yes,statusbar=yes,resizable=yes,toolbar=no,dependent=yes,scrollbars=yes,X=0,Y=0")
imgwin.focus()
return !imgwin
})
})
})