// JavaScript Document
function showiframe(menu){

 if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) == 4.0)) {
 if(menu=='main_menu-1-1')
 {
 var iframe = document.getElementById('iframe');

  iframe.style.display='block';
  }
  else if(menu=='main_menu-1-4')
  {
    var iframe1 = document.getElementById('iframe1');
  iframe1.style.display='block';
  }
}
}
function hideframe(menu){
if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) == 4.0)) {
 if(menu=='main_menu-1-1')
 {
 var iframe = document.getElementById('iframe');

  iframe.style.display='none';
  }
  else if(menu=='main_menu-1-4'){
    var iframe1 = document.getElementById('iframe1');
	 iframe1.style.display='none';
  }
}
}