if (document.images)
{
  hover1= new Image(106,24); 
  hover1.src="http://www.frontlinetotalsecurity.com/images/home1.jpg"; 
  hover2= new Image(106,24); 
  hover2.src="http://www.frontlinetotalsecurity.com/images/door1.jpg"; 
  hover3= new Image(106,24); 
  hover3.src="http://www.frontlinetotalsecurity.com/images/guards1.jpg"; 
  hover4= new Image(106,24); 
  hover4.src="http://www.frontlinetotalsecurity.com/images/key1.jpg"; 
  hover5= new Image(106,24); 
  hover5.src="http://www.frontlinetotalsecurity.com/images/protection1.jpg";  
  hover6= new Image(106,24); 
  hover6.src="http://www.frontlinetotalsecurity.com/images/event1.jpg";
  hover7= new Image(106,24); 
  hover7.src="http://www.frontlinetotalsecurity.com/images/training1.jpg";   
  hover8= new Image(106,24); 
  hover8.src="http://www.frontlinetotalsecurity.com/images/recruitment1.jpg";
  hover9= new Image(106,24); 
  hover9.src="http://www.frontlinetotalsecurity.com/images/contact1.jpg";   
}