// JavaScript Document
function imageon(imgSrc,ImgText) 
  {
   document['menu_' + imgSrc].src='/airops/images/menu_' + imgSrc +'_on.jpg';
   document['menu_text'].src='/airops/images/txt_' + imgSrc +'.gif';
   //document.getElementById("containerpagename").innerHTML='<p>' + ImgText + '&nbsp;</p>'
  }
function imageoff(imgSrc,ImgText) 
  {
   document['menu_' + imgSrc].src='/airops/images/menu_' + imgSrc +'.jpg';
   document['menu_text'].src='/airops/images/txt_blank.gif';
   //document.getElementById("containerpagename").innerHTML='<p>' + ImgText + '&nbsp;</p>'
  }