if(document.images){
  var img1 = new Image(); img1.src = "images/prodImageSwaps/rrhoney_prodImage1.jpg";
  var img2 = new Image(); img2.src = "images/prodImageSwaps/rrhoney_prodImage2.jpg";
  var img3 = new Image(); img3.src = "images/prodImageSwaps/rrhoney_prodImage3.jpg";
  var img4 = new Image(); img4.src = "images/prodImageSwaps/rrhoney_prodImage4.jpg";
  var img5 = new Image(); img5.src = "images/prodImageSwaps/rrhoney_prodImage5.jpg";
  var img6 = new Image(); img6.src = "images/prodImageSwaps/rrhoney_prodImage6.jpg";
  var img7 = new Image(); img7.src = "images/prodImageSwaps/rrhoney_prodImage7.jpg";
}

function initRadioButtons() {

	for(i=1; i<=7; i++) {
		element = 'attrib-1-'+i;
		if(document.getElementById(element)) {
			document.getElementById(element).onclick = function() {
				swapProductImage(this.id);
			}
		}
	}
}

function swapProductImage(radioID) {
	if(document.images){ 
		imgSrc = 'img'+radioID.substr(radioID.length-1);
		document['main'].src = eval(imgSrc + ".src"); 
	}
}