<!--
function popupCenter(winname, url, winwidth, winheight, scrollbars, toolbars){

	  var top   = (screen.availHeight - winheight - 29) / 2;
	  var left  = (screen.availWidth - winwidth - 10) / 2;
	
	  var urlPrefix = "";
	  var winurl    = url;

	  if (toolbars == "1")
	  	tbars = 1;
	  else
	  	tbars = 0;

	  var winopt    = "toolbar=" + tbars + ",location=0,directories=0,status=0,menubar=0,scrollbars=" + scrollbars + ",copyhistory=0,resizable=0,width="+winwidth+",height="+winheight+",left="+left+",top="+top;
	  newwin = window.open(winurl,winname,winopt);

	}
// -->