<!--
// preload navigation images
   btn1_b = new Image(8,8); btn1_b.src = "images/blu_btn.gif";
   btn1_r = new Image(8,8); btn1_r.src = "images/red_btn.gif";
   btn2_b = new Image(8,8); btn2_b.src = "images/blu_btn.gif";
   btn2_r = new Image(8,8); btn2_r.src = "images/red_btn.gif";
   btn3_b = new Image(8,8); btn3_b.src = "images/blu_btn.gif";
   btn3_r = new Image(8,8); btn3_r.src = "images/red_btn.gif";
   btn4_b = new Image(8,8); btn4_b.src = "images/blu_btn.gif";
   btn4_r = new Image(8,8); btn4_r.src = "images/red_btn.gif";
   btn5_b = new Image(8,8); btn5_b.src = "images/blu_btn.gif";
   btn5_r = new Image(8,8); btn5_r.src = "images/red_btn.gif";
   btn6_b = new Image(8,8); btn6_b.src = "images/blu_btn.gif";
   btn6_r = new Image(8,8); btn6_r.src = "images/red_btn.gif";
   btn7_b = new Image(8,8); btn7_b.src = "images/blu_btn.gif";
   btn7_r = new Image(8,8); btn7_r.src = "images/red_btn.gif";
   btn8_b = new Image(8,8); btn8_b.src = "images/blu_btn.gif";
   btn8_r = new Image(8,8); btn8_r.src = "images/red_btn.gif";
   btn9_b = new Image(8,8); btn9_b.src = "images/blu_btn.gif";
   btn9_r = new Image(8,8); btn9_r.src = "images/red_btn.gif";
   btn10_b = new Image(8,8); btn10_b.src = "images/blu_btn.gif";
   btn10_r = new Image(8,8); btn10_r.src = "images/red_btn.gif";
   btn11_b = new Image(8,8); btn11_b.src = "images/blu_btn.gif";
   btn11_r = new Image(8,8); btn11_r.src = "images/red_btn.gif";
   btn12_b = new Image(8,8); btn12_b.src = "images/blu_btn.gif";
   btn12_r = new Image(8,8); btn12_r.src = "images/red_btn.gif";
   btn13_b = new Image(8,8); btn13_b.src = "images/blu_btn.gif";
   btn13_r = new Image(8,8); btn13_r.src = "images/red_btn.gif";
   btn14_b = new Image(8,8); btn14_b.src = "images/blu_btn.gif";
   btn14_r = new Image(8,8); btn14_r.src = "images/red_btn.gif";

// swap images functions for navigation

   function SwapIn(tmpImageName) {
	eval("document." + tmpImageName + ".src=" + tmpImageName + "_r.src")
   }

   function SwapOut(tmpImageName) {
	eval("document." + tmpImageName + ".src=" + tmpImageName + "_b.src")
   }

//-->