var gallery = new Array();
gallery[0] = new Array("/images/script1.jpg","/images/script2.jpg","/images/script3.jpg","/images/script4.jpg","/images/script5.jpg","/images/script6.jpg","/images/script7.jpg","/images/script8.jpg","/images/script9.jpg","/images/script10.jpg","/images/script11.jpg","/images/script12.jpg","/images/script13.jpg","/images/script14.jpg");
gallery[1] = new Array("/images/scriptB_1.jpg","/images/scriptB_3.jpg","/images/scriptB_5.jpg","/images/scriptB_7.jpg","/images/scriptB_9.jpg","/images/scriptB_11.jpg","/images/scriptB_13.jpg","/images/scriptB_15.jpg");
gallery[2] = new Array("/images/scriptB_2.jpg","/images/scriptB_4.jpg","/images/scriptB_6.jpg","/images/scriptB_8.jpg","/images/scriptB_10.jpg","/images/scriptB_12.jpg","/images/scriptB_14.jpg");

function pickImageFrom(whichGallery)
{
var idx = Math.floor(Math.random() * gallery[whichGallery].length);
document.write('<img src="'+gallery[whichGallery][idx]+'" border=0>');
}