var ASSET_PATH_FOOTER= "/cms/assets/bottom_frame/";

function bt_rollover(imageName){
	// must be used in conjuction with bt_rollover_preload()
	if (document.images){
	  eval("document." + imageName + ".src=" + imageName + "_on.src");
	}
}	
function bt_restore(imageName){
  // must be used in conjuction with bt_rollover_preload()
	if (document.images){
	  eval("document." + imageName + ".src=" + imageName + "_off.src");
	}
}
function bt_rollover_preload(){
  if (document.images){
    for (i=0; i< arguments.length;i++){
      eval(arguments[i] + "_off=new Image()");
      eval(arguments[i] + "_off.src = '" + ASSET_PATH_FOOTER + "button_" + arguments[i] + "_off.gif'");
      eval(arguments[i] + "_on=new Image()");
      eval(arguments[i] + "_on.src = '" + ASSET_PATH_FOOTER + "button_"+ arguments[i] + "_on.gif'");
    }
  }
}