function hide(thing) {document.getElementById(thing).style.display = 'none';}
function view(thing) {document.getElementById(thing).style.display = 'block';}
function viewinline(thing) {document.getElementById(thing).style.display = 'inline-block';}

function toggle(thing)
  {
    if (document.getElementById(thing).style.display != 'block') {view(thing);}
    else if (document.getElementById(thing).style.display != 'none') {hide(thing);}
	}

function toggleinline(thing)
  {
    if (document.getElementById(thing).style.display != 'inline-block') {viewinline(thing);}
    else if (document.getElementById(thing).style.display != 'none') {hide(thing);}
  }

function church() { for (i=0;i<=10;i++) { toggle(eval('\'church'+i+'\'')); hide(eval('\'commercial'+i+'\'')); } }

function commercial() { for (i=0;i<=10;i++) { toggle(eval('\'commercial'+i+'\'')); hide(eval('\'church'+i+'\'')); } }