var leftPos = "";
var topPos = "";
if(screen) 
{
  leftPos = screen.availWidth * .1;
  topPos = screen.availHeight * .25;
}

function obw(num,wdth,hgt,im) 
{
	if (!im) { im = 1 }
	theURL = 'gal.php?id='+num+'&im='+im	
	winName = 'new'
	features = 'width='+wdth+',height='+hgt+',scrollbar=no,left='+leftPos+',top='+topPos+''
	w = open(theURL,winName,features); 
}

var w = "";
function spiff() 
{ 
  if (w && !w.closed) { 
    w.close(); 
  } 
}