function showPopular() {
    parent.location='index'
    }
    
function showUpComing() { 
parent.location='index'
    }
    
function showClient() {
parent.location='index'
    }
    
function showAll() {
parent.location='index'
    }
    
function showNews() {
parent.location='index'
}

function showFree() {
    parent.location = 'index'
}