// JavaScript Document

function show_menu(menu){
document.getElementById(menu).style.visibility="visible";

}
function hide_menu(menu){
document.getElementById(menu).style.visibility="hidden";
}

function show_div(div_id) { 
// hide all the divs 
//document.getElementById('Connect').style.display = 'none'; 
//document.getElementById('Co_Publishing_Partners').style.display = 'none'; 
//document.getElementById('Your_Recommendations').style.display = 'none';
//document.getElementById('Featured_Journals').style.display = 'none';
//update 12/7/2011 - sld
document.getElementById('About').style.display = 'none';
document.getElementById('Connect').style.display = 'none';
document.getElementById('Co_Publishing_Partners').style.display = 'none';
document.getElementById('Your_Recommendations').style.display = 'none';
document.getElementById('Featured_Journals').style.display = 'none';
// show the requested div 
document.getElementById(div_id).style.display = 'block'; 
} 


var Lst;

function CngClass(obj){
	var id = obj.id;
 if (Lst) Lst.className='';
 obj.className='act1';
 Lst=obj;
 if(id!='act'){
 	document.getElementById('act').className = '';
 }
}