function popup(page,vWidth,vHeight,scroll) {

// param 'width=450,height=520,top=0,left=0,scrollbars=yes,status=yes,toolbar=yes,resizable=yes,location=yes,menubar=yes'
// dim for img width=450,height=520

siteWindow = window.open(page,'siteWin','width='+vWidth+',height='+vHeight+',scrollbars='+scroll+',top=0,left=0')
siteWindow.focus()
}