if (document.images) {
	photo_over = newImage("images/photo_over.jpg");
	photo1_over = newImage("images/photo1_over.jpg");
	photo2_over = newImage("images/photo2_over.jpg");
	photo3_over = newImage("images/photo3_over.jpg");
	photo4_over = newImage("images/photo4_over.jpg");
	photo5_over = newImage("images/photo5_over.jpg");
	photo6_over = newImage("images/photo6_over.jpg");
	photo7_over = newImage("images/photo7_over.jpg");
	photo8_over = newImage("images/photo8_over.jpg");
	photo10_over = newImage("images/photo10_over.jpg");
	photo11_over = newImage("images/photo11_over.jpg");	
	photo12_over = newImage("images/photo12_over.jpg");		
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}


function over(imgName) {
  if (document.images) 
    document[imgName].src = eval(imgName + '_over.src')
}

function out(imgName) {
  if (document.images)
    document[imgName].src = 'images/' + imgName + '.jpg'
}