var w; 
function NewWin(url)
{
  window.open(url,"animg");
}
function showWin(URL, wImg, hImg, resize, scroll )
{
    showWinName('aimg',  URL, wImg, hImg, resize, scroll )
} 
function showWinName(wName,  URL, wImg, hImg, resize, scroll ) 
{ 
  if (w) w.close();
  if (!resize) resize = 'no';
  if (!scroll) scroll = 'no';
  wImg += 20; hImg += 20; 
  if(document.all){  
   leftPos = (document.body.clientWidth - wImg) / 2; 
   topPos = (document.body.clientHeight - hImg) / 2; 
  }else{ 
   leftPos = (window.innerWidth - wImg) / 2; 
   topPos = (window.innerHeight - hImg) / 2; 
  }
  w = window.open( URL, wName, 'width='+wImg+',height='+hImg +',status=no,directories=no,location=no,menubar=no,toolbar=no,top='+topPos+',left='+leftPos+',titlebar=no,resizable='+resize+',scrollbars='+scroll); 
  if (w) {
    w.focus();
  }
  else {
    w = window.open( URL, wName, 'width='+wImg+',height='+hImg +',status=no,directories=no,location=no,menubar=no,toolbar=no,top='+topPos+',left='+leftPos+',titlebar=no,resizable='+resize+',scrollbars='+scroll); 
    if (w) w.focus();
  }
  if (!w){
	var ret = window.showModalDialog(URL,"newgoods","dialogWidth:36em; dialogHeight:36em; center:1");
  }

}