// JavaScript Document
// show-hide function
function show( blockId ) {
	blockObj = document.getElementById( blockId );
	blockObj.style.display = 'block';
}

function hide( blockId ) {
	blockObj = document.getElementById( blockId );
	blockObj.style.display = 'none';
}

function toggle( blockId ) {
	blockObj = document.getElementById( blockId );
	if (blockObj.style.display == 'none')
	{
		blockObj.style.display = 'block';
	}
	else
	{
		blockObj.style.display = 'none';
	}
}

		function set_class(obj, cname)
		{
			 document.getElementById( obj ).className= cname;
		}
		function hide_all() {
			hide('armscap1');
			set_class('armscap1',"");
			hide('armscap2');
			set_class('armscap2',"");
			hide('armscap3');
			set_class('armscap3',"");
			hide('armscap4');
			set_class('armscap4',"");
			hide('armscap5');
			set_class('armscap5',"");
			hide('armscap6');
			set_class('armscap6',"");
			hide('armscap7');
			set_class('armscap7',"");
			}
		
		function display(obj)
		{
			hide_all();
			show(obj);
		    set_class("a_"+obj,"here");

		}