// JavaScript Document



normal_image1 = new Image();
normal_image1.src = "images-1/home-b.png";

mouseover_image1 = new Image();
mouseover_image1.src = "images-1/home-a.png";

normal_image2 = new Image();
normal_image2.src = "images-1/aboutus-b.png";

mouseover_image2 = new Image();
mouseover_image2.src = "images-1/aboutus-a.png";

normal_image3 = new Image();
normal_image3.src = "images-1/services-b.png";

mouseover_image3 = new Image();
mouseover_image3.src = "images-1/services-a.png";



normal_image6 = new Image();
normal_image6.src = "images-1/contactus-b.png";

mouseover_image6 = new Image();
mouseover_image6.src = "images-1/contactus-a.png";



function swap(){
if (document.images){
for (var x=0;
x<swap.arguments.length;
x+=2) {
document[swap.arguments[x]].src = eval(swap.arguments[x+1] + ".src");

}
}
}

<!--
if (document.images)
{
  pic1= new Image(57,34); 
  pic1.src="images/home-a.png"; 
  
  pic2= new Image(76,34); 
  pic2.src="images/aboutus-a.png"; 
  
  pic3= new Image(73,34); 
  pic3.src="images/services-a.png"; 
  
  pic6= new Image(88,34); 
  pic6.src="images/contactus-a.png";  
  
  

}
//-->