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";
}

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

	 	 

     button1.src = 'images/core.jpg'
     button2.src = 'images/core-hvr.jpg'	 

	 button3.src = 'images/audit.jpg'
     button4.src = 'images/audit-hvr.jpg'	 

	 button5.src = 'images/core-select.jpg'
     button6.src = 'images/core-hvr.jpg'	 

	 button7.src = 'images/audit-select.jpg'
     button8.src = 'images/audit-hvr.jpg'	 

	 button9.src = 'images/risk.jpg'
     button10.src = 'images/risk-hvr.jpg'	 

	 button11.src = 'images/risk-select.jpg'
     button12.src = 'images/risk-hvr.jpg' 

}