if (document.images) {
   
     button1 = new Image
     button2 = new Image
	 
	 button3 = new Image
     button4 = new Image
	 
	 button5 = new Image
     button6 = new Image
	 
	 button7 = new Image
     button8 = new Image
	 
	 button9 = new Image
     button10 = new Image
	 
	 button11 = new Image
     button12 = new Image
	 
	 button13 = new Image
     button14 = new Image
	 
	 button15 = new Image
     button16 = new Image
	 
	 button17 = new Image
     button18 = new Image
	 
	 button19 = new Image
     button20 = new Image
	 
	 button21 = new Image
     button22 = new Image
	 
	 button23 = new Image
     button24 = new Image
	 
	 button25 = new Image
     button26 = new Image
	 
	 button27 = new Image
     button28 = new Image
	 
	 
	 	 
     button1.src = 'images/home.jpg'
     button2.src = 'images/home-hvr.jpg'
	 
	 button3.src = 'images/training.jpg'
     button4.src = 'images/training-hvr.jpg'
	 
	 button5.src = 'images/products.jpg'
     button6.src = 'images/products-hvr.jpg'
	 
	 button7.src = 'images/consultancy.jpg'
     button8.src = 'images/consultancy-hvr.jpg'
	 
	 button9.src = 'images/software.jpg'
     button10.src = 'images/software-hvr.jpg'
	 
	 button11.src = 'images/about.jpg'
     button12.src = 'images/about-hvr.jpg'
	 
	 button13.src = 'images/contact.jpg'
     button14.src = 'images/contact-hvr.jpg'
	 
	 button15.src = 'images/course.jpg'
     button16.src = 'images/course-hvr.jpg'
	 
	 button17.src = 'images/book.jpg'
     button18.src = 'images/book-hvr.jpg'
	 
	 button19.src = 'images/software-listing.jpg'
     button20.src = 'images/software-listing-hvr.jpg'
	 
	 button21.src = 'images/pricing.jpg'
     button22.src = 'images/pricing-hvr.jpg'
	 
	 button23.src = 'images/consult-list.jpg'
     button24.src = 'images/consult-list-hvr.jpg'
	 
	 button25.src = 'images/product-list.jpg'
     button26.src = 'images/product-list-hvr.jpg'
	 
	 button27.src = 'images/archive.jpg'
     button28.src = 'images/archive-hvr.jpg'
 }
 
 
 
 
 function expand(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuHover";
  d.className = "menuHover";
}

function collapse(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuNormal";
  d.className = "menuNormal";
}