var images = new Array() 
 images[0] = '_banner_grow_sm'
 images[1] = '_banner_connect_sm'
 images[2] = '_banner_accelerate_sm'
 images[3] = '_banner_par_sm'
var titles = new Array()
 titles[0] = 'Grow your Business with innovative IT Services and Solutions'
 titles[1] = 'Get Connected with innovative IT Services and Solutions'
 titles[2] = 'Accelerate your Business with innovative IT Services and Solutions'
 titles[3] = 'Get on Par with innovative IT Services and Solutions'

var x=images.length;
var y=0;
var preLoad=new Array()
for (i=0; i<x; i++){
   preLoad[i] = new Image()
   preLoad[i].src = images[i]
}

var mainImage = Math.round(Math.random()*(x-1));
function getMainImage(){
	document.write('<img src="images/'+images[mainImage]+'.png" width="930" height="280" title="'+titles[mainImage]+'" lowsrc="images/'+images[mainImage]+'_low.jpg" >');

}