// JavaScript Document
var n1,n2,n3,n4,n5,n6,n7;
n1 = 6; // number of hidden layers
function show1(t){
for(i=1;i<=n1;i++){

document.getElementById('a'+i).style.display = 'none';
}
document.getElementById('a'+t).style.display = 'block'; 
	 
}
n2 = 3;
function show2(t){
for(i=1;i<=n2;i++){
document.getElementById('b'+i).style.display = 'none';
}
document.getElementById('b'+t).style.display = 'block';
}
n3 = 4;
function show3(t){
for(i=1;i<=n3;i++){
document.getElementById('c'+i).style.display = 'none';
}
document.getElementById('c'+t).style.display = 'block';
}
n4 = 5;
function show4(t){
for(i=1;i<=n4;i++){
document.getElementById('d'+i).style.display = 'none';
}
document.getElementById('d'+t).style.display = 'block';
}
n5 = 3;
function show5(t){
for(i=1;i<=n5;i++){
document.getElementById('e'+i).style.display = 'none';
}
document.getElementById('e'+t).style.display = 'block';
}
n6 = 4;
function show6(t){
for(i=1;i<=n6;i++){
document.getElementById('f'+i).style.display = 'none';
}
document.getElementById('f'+t).style.display = 'block';
}
n7 = 3;
function show7(t){
for(i=1;i<=n7;i++){
document.getElementById('g'+i).style.display = 'none';
}
document.getElementById('g'+t).style.display = 'block';
}

function hide1(i){ 
document.getElementById('a'+i).style.display = 'none';
document.getElementById('a1').style.display = 'block';
}
function hide2(i){ 
document.getElementById('b'+i).style.display = 'none';
document.getElementById('b1').style.display = 'block'; 
}
function hide7(i){ 
document.getElementById('g'+i).style.display = 'none';
document.getElementById('g1').style.display = 'block';
}
function hide6(i){ 
document.getElementById('f'+i).style.display = 'none';
document.getElementById('f1').style.display = 'block'; }
function hide4(i){ document.getElementById('d'+i).style.display = 'none';
document.getElementById('d1').style.display = 'block'; }
function hide3(i){ document.getElementById('c'+i).style.display = 'none';
document.getElementById('c1').style.display = 'block'; }
function hide5(i){ 
document.getElementById('e'+i).style.display = 'none';
document.getElementById('e1').style.display = 'block';
} 

function getpara(name)
{
name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
var regexS = "[\\?&]"+name+"=([^&#]*)";
var regex = new RegExp( regexS );
var results = regex.exec( window.location.href );
if( results == null )
	return "";
else
	return results[1];
}

function preloadImages() 
{
	var d=document; if(d.images){ if(!d.p) d.p=new Array();
	var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}