var image1 = new Image();
image1.src = "images/header/index_r2_c5.jpg";
var image2 = new Image();
image2.src = "images/header/hot.jpg";
var image3 = new Image();
image3.src = "images/header/links_r2_c8.jpg";
var image4 = new Image();
image4.src = "images/header/links.jpg"; 
var image5 = new Image();
image5.src = "images/header/index_r4_c2.jpg";
var image6 = new Image();
image6.src = "images/header/about.jpg"; 
var image7 = new Image();
image7.src = "images/header/index_r4_c3.jpg";
var image8 = new Image();
image8.src = "images/header/contact.jpg";
var image9 = new Image();
image9.src = "images/header/index_r4_c4.jpg";
var image10 = new Image();
image10.src = "images/header/catalogue.jpg";
var image11 = new Image();
image11.src = "images/header/index_r4_c6.jpg";
var image12 = new Image();
image12.src = "images/header/organic.jpg";
var image13 = new Image();
image13.src = "images/header/index_r4_c7.jpg";
var image14 = new Image();
image14.src = "images/header/seedsow.jpg";

function roll(img_name, img_src)
	{
	document[img_name].src = img_src;
	}