function show(object,browse) 
{
	//tab1 = Prints 	//tab2 = Books 	//tab3 = Maps
	
	if(object == "Books")
	{ var showobject = "tab2"; var showobject2="Books";}
	if( object == "Prints")
	{ var showobject = "tab1"; var showobject2="Prints";}
	if(object == "Maps")
	{ var showobject = "tab3"; var showobject2="Maps";}

	if (document.getElementById) 
	{
		// this is the way the standards work
	   document.getElementById(showobject).style.visibility = "visible";
	   document.getElementById(showobject2).style.visibility = "visible";
	}
	else if (document.all) 
	{
		// this is the way old msie versions work
		document.all(showobject).style.visibility = "visible";
		document.all(showobject2).style.visibility = "visible";
	}
	else if (document.layers) 
	{
		// this is the way nn4 works
		window.document.layers[showobject].visibility = "show";
		window.document.layers[showobject2].visibility = "show";
	}
	browse_by(browse);
}
function browse_by(object)
{
	
	if(object !="")
	{
		showobject='browse_by';

		if (document.getElementById) 
		{
			// this is the way the standards work	
			document.getElementById(showobject).style.visibility = "visible";		
		}
		else if (document.all)
		{		
			document.all(showobject).style.visibility = "visible";
		}	
		else if (document.layers) 
		{
			// this is the way nn4 works
			window.document.layers[showobject].visibility = "show";
		}
	}
}
function submit_form(value,index) 
{
	document.forms[0].elements[index].value = value;
	document.forms[0].submit();
}