var partNumber;
var qstr = location.href;
var url_qstr;
var qstr_parts;
var urlCheck;

function processPartNumber() {

var urlCheck = qstr.search(/\?/);

if (urlCheck != -1) {
	getPartNumber();
}
}


function getPartNumber(){

url_qstr = qstr.split("?");
qstr_parts = url_qstr[1].split("=");

partNumber = qstr_parts[1];

if (partNumber == 1){
displaySubmenu(1);
}
else if (partNumber == 2){
displaySubmenu(2);
} 
else if (partNumber == 3){
displaySubmenu(3);
}
else if (partNumber == 4){
displaySubmenu(4);
}
else if (partNumber == 5){
displaySubmenu(5);
}
else if (partNumber == 6){
displaySubmenu(6);
}
else if (partNumber == 7){
displaySubmenu(7);
}
else if (partNumber == 8){
displaySubmenu(8);
}
else if (partNumber == 9){
displaySubmenu(9);
}
else if (partNumber == 10){
displaySubmenu(10);
}
}


function displaySubmenu (divName){

switch (divName) {

//Home Button
case 1:
document.getElementById('aboutUs').style.display='none';
document.getElementById('collections').style.display='none';
document.getElementById('tannerHouse').style.display='none';
document.getElementById('programs').style.display='none';
document.getElementById('volunteers').style.display='none';
break;

//About Us Button
case 3:

	if (document.getElementById('aboutUs').style.display=='block') {
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='none';
	}
else
	{
	document.getElementById('aboutUs').style.display='block';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='none';
	}
break;

//Collections and Research Button
case 4:
if (document.getElementById('collections').style.display=='block') {
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='none';
	}
else
	{
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='block';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='none';
	}
break;

//Tanner House Button
case 5:

	if (document.getElementById('tannerHouse').style.display=='block') {
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='none';
	}
else
	{
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='block';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='none';
	}
break;

//Events and Exhibits Button
case 6:
	if (document.getElementById('programs').style.display=='block') {
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='none';
	}
else
	{
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='block';
	document.getElementById('volunteers').style.display='none';
	}
break;


//Gift Shop Button
case 7:
document.getElementById('aboutUs').style.display='none';
document.getElementById('collections').style.display='none';
document.getElementById('tannerHouse').style.display='none';
document.getElementById('programs').style.display='none';
document.getElementById('volunteers').style.display='none';
break;




//Past Events Button
case 9:
document.getElementById('aboutUs').style.display='none';
document.getElementById('collections').style.display='none';
document.getElementById('tannerHouse').style.display='none';
document.getElementById('programs').style.display='none';
document.getElementById('volunteers').style.display='none';
break;




//Calendar Button
case 10:
document.getElementById('aboutUs').style.display='none';
document.getElementById('collections').style.display='none';
document.getElementById('tannerHouse').style.display='none';
document.getElementById('programs').style.display='none';
document.getElementById('volunteers').style.display='none';
break;






//Get Involved Button
case 8:
if (document.getElementById('volunteers').style.display=='block') {
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='none';
	}
else
	{
	document.getElementById('aboutUs').style.display='none';
	document.getElementById('collections').style.display='none';
	document.getElementById('tannerHouse').style.display='none';
	document.getElementById('programs').style.display='none';
	document.getElementById('volunteers').style.display='block';
	}
break;
}
}