function hideShow(thing)  
{ 
 if (document.getElementById(thing).className == "off")
 {
	 document.getElementById(thing).className = "on"
 }
 
 else {
	 document.getElementById(thing).className = "off"
 }
}

function hide(thing)  
{ 
document.getElementById(thing).className = "off"
}

function hideAll(thing)  
{ 
var i=1;
for (i=1;i<=thing;i++)
	{
	var newid = "fp" + i;
	document.getElementById(newid).className = "off"
	}
}

function show(thing)  
{ 
var newid = 'fp' + thing;
document.getElementById(newid).className = "on"
}