var imageFiles_7r_21 = new Array();
imageFiles_7r_21['0'] = new Array ('_images/7r_RainBird_com.gif', '_images/7r_RainBird_comMouseover.gif');

function image_on_7r_21 (position) {
   var doc = eval("document.image7r_21" + position);
   doc.src = imageFiles_7r_21[position][1];
}

function image_off_7r_21 (position) {
   var doc = eval("document.image7r_21" + position);
   doc.src = imageFiles_7r_21[position][0];
}