var gallery = new Array();
	gallery[1] = new Array("1_001.png","1_002.png","1_003.png","1_004.png","1_005.png");
	gallery[2] = new Array("2_001.png","2_002.png","2_003.png","2_004.png","2_005.png");
	gallery[3] = new Array("3_001.png","3_002.png","3_003.png");

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