function winopen_kl(url) {
 if(navigator.userAgent.indexOf("Mac") != -1) {
  newwindow = window.open(url,"viewer_win","directories=0,scrollbars=0,status=0,toolbar=0,width=520,height=560,screenx=0,screeny=0");
  if(navigator.appName == "Netscape" && parseInt(navigator.appVersion.substring(0,1)) >= 3) {newwindow.focus()}
 }
 else {
  newurl = url;
  newwindow = window.open(newurl,"viewer_win","directories=0,scrollbars=0,status=0,toolbar=0,width=520,height=560,screenx=0,screeny=0");
  newwindow.focus();
 }
}

function winopen_kl_scroll(url) {
 if(navigator.userAgent.indexOf("Mac") != -1) {
  newwindow = window.open(url,"viewer_win","directories=0,scrollbars=1,status=0,toolbar=1,width=520,height=560,screenx=0,screeny=0");
  if(navigator.appName == "Netscape" && parseInt(navigator.appVersion.substring(0,1)) >= 3) {newwindow.focus()}
 }
 else {
  newurl = url;
  newwindow = window.open(newurl,"viewer_win","directories=0,scrollbars=1,status=0,toolbar=1,width=520,height=560,screenx=0,screeny=0");
  newwindow.focus();
 }
}