var images = new Array();

images[0] = "http://www.enerfaxgold.com/images/rotate/oil_gas_1.jpg"; 
images[1] = "http://www.enerfaxgold.com/images/rotate/oil_gas_refinery_1.jpg";
images[2] = "http://www.enerfaxgold.com/images/rotate/oil_gas_2.jpg";
images[3] = "http://www.enerfaxgold.com/images/rotate/oil_gas_1.jpg";
images[4] = "http://www.enerfaxgold.com/images/rotate/oil_gas_refinery_2.jpg";
images[5] = "http://www.enerfaxgold.com/images/rotate/oil_gas_3.jpg";
images[6] = "http://www.enerfaxgold.com/images/rotate/oil_gas_2.jpg";
images[7] = "http://www.enerfaxgold.com/images/rotate/oil_gas_refinery_3.jpg";
images[8] = "http://www.enerfaxgold.com/images/rotate/oil_gas_3.jpg";
images[9] = "http://www.enerfaxgold.com/images/rotate/oil_gas_4.jpg";
images[10] = "http://www.enerfaxgold.com/images/rotate/oil_gas_4.jpg";
images[11] = "http://www.enerfaxgold.com/images/rotate/oil_gas_refinery_4.jpg";
images[12] = "http://www.enerfaxgold.com/images/rotate/oil_gas_5.jpg";
images[13] = "http://www.enerfaxgold.com/images/rotate/oil_gas_5.jpg";
images[14] = "http://www.enerfaxgold.com/images/rotate/oil_gas_refinery_4.jpg";
images[15] = "http://www.enerfaxgold.com/images/rotate/oil_gas_6.jpg";
images[16] = "http://www.enerfaxgold.com/images/rotate/oil_gas_refinery_5.jpg";
images[17] = "http://www.enerfaxgold.com/images/rotate/oil_gas_6.jpg";

function ShowImg() {
var number = images.length;
var increment = Math.floor(Math.random() * number);
var strTemp ='<img src="' + images[increment] + '">';
document.write(strTemp);
}

var rotate = 5000; 
var count = 0;

function RotateImg(myImage){
 myImage.src=images[count];
 count++;
 if(count==images.length){count = 0;}
 setTimeout("RotateImg(myImage)",rotate);
}