current_overID = "";
last_overID = "";
 
function item (img_name,width,height)
  {
 
img_prefix = img_name;
this.slide_img = new Image (width,height);
this.slide_img.src = "images/" + img_prefix + ".png";
}
 
function new_item (img_name,width,height)
  {
 
item [img_name] = new item (img_name,width,height);
  }
 
function mouseover (itemID)
  {
current_overID = itemID;
if (current_overID != last_overID) {
document.jrcmap.src = item [current_overID].slide_img.src;
  }
}
 
new_item ("ca",410,259);
new_item ("nv",410,259);
new_item ("az",410,259);
new_item ("nm",410,259);
new_item ("tx",410,259);
new_item ("country",410,259); 
// -->