function pop_product(popURL, popW, popH, scrollbars) {
   var agt = navigator.userAgent.toLowerCase();		// sniff browser
   var is_mac = (agt.indexOf("mac")!=-1);
   var is_op = (agt.indexOf("opera") !=-1);
   var is_ie = (is_op==false && agt.indexOf("msie") !=-1);
	if (is_mac && is_ie) { popW = popW-17; }	
	// if Mac IE, subtract pixels from width to make popup look ok
	window.open('/html/productshot.php?url=' + escape(popURL), 'pop', 'location=no,status=no,scrollbars='+scrollbars+',toolbar=no,top=100,left=150,height=' + popH + ',width=' + popW);
}


function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
var winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no';
var win = window.open(mypage, myname, winprops);
if (parseInt(navigator.appVersion) >= 4) { win.focus(); }
}

//-->

function updateForm() {
  if(document.layers) {
       // old Netscape?
       document.updatecart.visibility='show';
  } else {
       // IE, NS7
       document.getElementById('updatecart').style.visibility='visible';
  }
}