if (document.images) {
	  image1off = new Image();
	  image1off.src = "images/nav_current_issues_unselected.gif";
	  image1on = new Image();
	  image1on.src = "images/nav_current_issues_selected.gif";
	  image2off = new Image();
	  image2off.src = "images/nav_back_issues_unselected.gif";
	  image2on = new Image();
	  image2on.src = "images/nav_back_issues_selected.gif";
	  image3off = new Image();
	  image3off.src = "images/nav_editors_list_unselected.gif";
	  image3on = new Image();
	  image3on.src = "images/nav_editors_list_selected.gif";
	  image4off = new Image();
	  image4off.src = "images/nav_mission_statement_unselected.gif";
	  image4on = new Image();
	  image4on.src = "images/nav_mission_statement_selected.gif";
	  image5off = new Image();
	  image5off.src = "images/nav_order_form_unselected.gif";
	  image5on = new Image();
	  image5on.src = "images/nav_order_form_selected.gif";
	  image6off = new Image();
	  image6off.src = "images/nav_for_authors_unselected.gif";
	  image6on = new Image();
	  image6on.src = "images/nav_for_authors_selected.gif";
	  image7off = new Image();
	  image7off.src = "images/nav_asian_law_unselected.gif";
	  image7on = new Image();
	  image7on.src = "images/nav_asian_law_selected.gif";
	}
	function turnOn(imageName) {
	  if (document.images) {
	    document[imageName].src =
	      eval(imageName + 'on.src');
	  }
	}
	function turnOff(imageName) {
	  if (document.images) {
	    document[imageName].src =
	      eval(imageName + 'off.src');
	  }
	}