/* http://www.hypergurl.com/randomimage.html */
/* IMAGE RANDOMIZER ON RELOAD */

/* : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : set variables */

var dotd = 4;     /* Number of alternative images for Left Image Rotator */
var pi = 10;       /* Number of alternative images for Right Image Rotator */

var rotateDOTD = new Array(dotd);  /* Array to hold filenames */
	rotateDOTD[0] = "http://dsc.discovery.com/images/homepage/faces-of-discovery/bear-grylls3.jpg"; 
	rotateDOTD[1] = "http://dsc.discovery.com/images/homepage/faces-of-discovery/adam-savage2.jpg";  
	rotateDOTD[2] = "http://dsc.discovery.com/images/homepage/faces-of-discovery/sig-hansen.jpg"; 
	rotateDOTD[3] = "http://dsc.discovery.com/images/homepage/faces-of-discovery/jamie-hyneman1.jpg"; 
	
var rotatePI = new Array(pi);  /* Array to hold filenames */
	rotatePI[0] = "http://dsc.discovery.com/images/homepage/ardi/ardi-1.jpg"; 
	rotatePI[1] = "http://dsc.discovery.com/images/homepage/ardi/ardi-2.jpg"; 
	rotatePI[2] = "http://dsc.discovery.com/images/homepage/ardi/ardi-3.jpg"; 
	rotatePI[3] = "http://dsc.discovery.com/images/homepage/ardi/ardi-4.jpg"; 
	rotatePI[4] = "http://dsc.discovery.com/images/homepage/ardi/ardi-5.jpg"; 
	rotatePI[5] = "http://dsc.discovery.com/images/homepage/ardi/ardi-6.jpg"; 
	rotatePI[6] = "http://dsc.discovery.com/images/homepage/ardi/ardi-6.jpg";
	rotatePI[7] = "http://dsc.discovery.com/images/homepage/ardi/ardi-6.jpg";
	rotatePI[8] = "http://dsc.discovery.com/images/homepage/ardi/ardi-4.jpg";
	rotatePI[9] = "http://dsc.discovery.com/images/homepage/ardi/ardi-4.jpg";
	

  

/* : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : functions  */
/* document.writeln('<img src="'+rotateDOTD[imagesDOTD]+'" width="160" height="224" border="0" >'); 
*/

function pickRandom(range) {
	if (Math.random)
		return Math.round(Math.random() * (range-1));
	else {
		var now = new Date();
		return (now.getTime() / 1000) % range;
	}
}

var imagesDOTD = pickRandom(dotd);
var imagesPI = pickRandom(pi);