if (document.images) {

 img1_on =new Image(); img1_on.src ="images/general/home_bold.gif"; 
 img1_off=new Image(); img1_off.src="images/general/home.gif"; 

 img2_on =new Image(); img2_on.src ="images/general/about_bold.gif"; 
 img2_off=new Image(); img2_off.src="images/general/about.gif"; 

 img3_on =new Image(); img3_on.src ="images/general/whatis_bold.gif"; 
 img3_off=new Image(); img3_off.src="images/general/whatis.gif"; 

 img4_on =new Image(); img4_on.src ="images/general/clients_bold.gif"; 
 img4_off=new Image(); img4_off.src="images/general/clients.gif"; 

 img5_on =new Image(); img5_on.src ="images/general/services_bold.gif"; 
 img5_off=new Image(); img5_off.src="images/general/services.gif"; 
 
 img6_on =new Image(); img6_on.src ="images/general/testimonials_bold.gif"; 
 img6_off=new Image(); img6_off.src="images/general/testimonials.gif"; 
 
 img7_on =new Image(); img7_on.src ="images/general/contact_bold.gif"; 
 img7_off=new Image(); img7_off.src="images/general/contact.gif"; 

}

function movr(k) {
 if (document.images) 
  eval('document.img'+k+'.src=img'+k+'_on.src');
}

function mout(k) {
 if (document.images) 
  eval('document.img'+k+'.src=img'+k+'_off.src');
}

function handleOver() {
 if (document.images) 
  document.imgName.src=img_on.src;
}

function handleOut() {
 if (document.images) 
  document.imgName.src=img_off.src;
}