function goTo(page){
	// redirect the user to the page
	if(!page){
		document.location='index.php';
	} else {
		document.location='index.php?page=' + page;
	}
}

function indicateCurrentLocation(page){
	
	var buttons = new Array("home","about","services","submissions","delivery","rates","contact");
			
	var subbuttons = new Array("confidentiality","disclaimer","editing","proofreading");
	
	// deselect all menuitems
	
	for(var i=0;i<buttons.length;i++){
		
		document.getElementById(buttons[i]).className='menuitem';
	}
	
	
	// deselect all submenuitems
	for(var i=0;i<subbuttons.length;i++){
		
		document.getElementById(subbuttons[i]).className='submenuitem';
		
	}
	
	// hide all submenuitems from every menuitem	
	for(var i=0;i<subbuttons.length;i++){
		
		document.getElementById(subbuttons[i]).style.display='none';
		
	}
	
	
	// show that the user is currently active within this item
	if(document.getElementById(page).className == "menuitem"){
		document.getElementById(page).className='menuitem_selected';
	} 
	
	// show that this submenuitem is the page the user is on
	if(document.getElementById(page).className == "submenuitem"){
		document.getElementById(page).className='submenuitem_selected';
	}
	
	// show the submenu for "about" if the user is viewing "about"
	if(page == "about" || page == "confidentiality" || page == "disclaimer"){
		document.getElementById('about').className='menuitem_selected';
		document.getElementById('confidentiality').style.display = 'block';
		document.getElementById('disclaimer').style.display = 'block';
	}
	
	// same for services
	if(page == "services" || page == "editing" || page == "proofreading"){
		document.getElementById('services').className='menuitem_selected';
		document.getElementById('editing').style.display = 'block';
		document.getElementById('proofreading').style.display = 'block';
	}
}