/* Copyright: Martin J. Marsh, March 2007 - www.ecomarshosgame.com
 - Individual use permissions only.  This version updated 13th April 2008.   */ 

var togl=0, prepos=0; passval=0; escapzz=0;
var frtoppos = 730;
var frbtmpos = 1040;

function showcalc(){
if (navigator.appName=="Netscape") {
flyupthpg = document.getElementById("staticfr2"); 
flyupthpg.pagey = 1040; 
flyupthpg.style.display = "block";
 }
if (navigator.appName.indexOf("Microsoft")!=-1) {
flyupthpg = document.getElementById("staticfrm");
flyupthpg.style.top = 1040;
flyupthpg.style.display = "block";
}
}

function hidecalc(){
if (navigator.appName=="Netscape") {
flyupthpg = document.getElementById("staticfr2"); 
flyupthpg.pagey = 1250; 
flyupthpg.style.display = "none";
 }
if (navigator.appName.indexOf("Microsoft")!=-1) {
flyupthpg = document.getElementById("staticfrm");
flyupthpg.style.top = 1250;
flyupthpg.style.display = "none";
}
}

function showtr(){
if(passval == 2){
frbtmpos = 1040; prepos = 0; return;
}
if (frtoppos > 1040){
passval=1; showcalc(); hidetr(); return;
}
if (navigator.appName=="Netscape") {
startpos = document.getElementById("movittra2"); 
startpos.pagey = frtoppos; 
}
if (navigator.appName.indexOf("Microsoft")!=-1) {
startpos = document.getElementById("movittray");
startpos.style.top = frtoppos;
}
if (togl < 2){
frtoppos += 2;
setTimeout('showtr()', 50);
}
else
{togl = 0; return;}
}

function hidetr(){
if(passval == 1)
{frtoppos=730; togl=0; return;}
if (navigator.appName=="Netscape") {
var startpos = document.getElementById("movittra2"); 
startpos.pagey = frbtmpos; 
}
if (navigator.appName.indexOf("Microsoft")!=-1) {
var startpos = document.getElementById("movittray");
startpos.style.top = frbtmpos;
}
frbtmpos -= 2;
if (frbtmpos < 732)
{passval=2; showtr(); return;}
if(prepos < 2){
setTimeout('hidetr()', 30);
}
else
{prepos = 0; return;}
}

function optsfun(){
escapzz++;
if (escapzz > 28) {return;}
if ((escapzz % 2) == 0){return;}
if (passval == 0){
togl++; showtr();}
if (passval == 1){
passval=0; prepos++; hidecalc(); setTimeout('hidetr()', 50);}
if (passval == 2){
passval=0; showtr();}
}