// 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('suppHome');
			set_class('suppHome',"");
			hide('supp1');
			set_class('supp1',"");
			hide('supp2');
			set_class('supp2',"");
			hide('supp3');
			set_class('supp3',"");
			hide('supp4');
			set_class('supp4',"");
			hide('supp5');
			set_class('supp5',"");
			hide('supp6');
			set_class('supp6',"");
			hide('supp7');
			set_class('supp7',"");
			hide('supp7');
			set_class('supp7',"");			
			hide('supp8');
			set_class('supp8',"");				
			hide('supp9');
			set_class('supp9',"");
			hide('supp10');
			set_class('supp10',"");
			hide('supp11');
			set_class('supp11',"");
			hide('supp12');
			set_class('supp12',"");
			hide('supp13');
			set_class('supp13',"");
			hide('supp14');
			set_class('supp14',"");
			hide('supp15');
			set_class('supp15',"");
			}
		
		function display(obj)
		{
			hide_all();
			show(obj);
		    set_class("a_"+obj,"here");

		}