function javatable() {
document.getElementById("phpcontent").style.display = 'none';
document.getElementById("vpscontent").style.display = 'none';
document.getElementById("javacontent").style.display = 'block';
document.getElementById("javasel").style.borderBottomStyle = 'none';
document.getElementById("phpsel").style.borderBottomStyle = 'solid';
document.getElementById("vpssel").style.borderBottomStyle = 'solid';
document.getElementById('javacontent').style.background ='#E3E3E3';
document.getElementById('phpcontent').style.background ='#FFFFFF';
document.getElementById('vpscontent').style.background ='#FFFFFF';
document.getElementById("javasel").style.background ='#E3E3E3';
document.getElementById("phpsel").style.background ='#FFFFFF';
document.getElementById("vpssel").style.background ='#FFFFFF';
}

function phptable() {
document.getElementById("phpcontent").style.display = 'block';
document.getElementById("vpscontent").style.display = 'none';
document.getElementById("javacontent").style.display = 'none';
document.getElementById("javasel").style.borderBottomStyle = 'solid';
document.getElementById("phpsel").style.borderBottomStyle = 'none';
document.getElementById("vpssel").style.borderBottomStyle = 'solid';
document.getElementById('javacontent').style.background ='#FFFFFF';
document.getElementById('phpcontent').style.background ='#E3E3E3';
document.getElementById('vpscontent').style.background ='#FFFFFF';
document.getElementById("javasel").style.background ='#FFFFFF';
document.getElementById("phpsel").style.background ='#E3E3E3';
document.getElementById("vpssel").style.background ='#FFFFFF';
}


function vpstable() {
document.getElementById("phpcontent").style.display = 'none';
document.getElementById("vpscontent").style.display = 'block';
document.getElementById("javacontent").style.display = 'none';
document.getElementById("javasel").style.borderBottomStyle = 'solid';
document.getElementById("phpsel").style.borderBottomStyle = 'solid';
document.getElementById("vpssel").style.borderBottomStyle = 'none';
document.getElementById('javacontent').style.background ='#FFFFFF';
document.getElementById('phpcontent').style.background ='#FFFFFF';
document.getElementById('vpscontent').style.background ='#E3E3E3';
document.getElementById("javasel").style.background ='#FFFFFF';
document.getElementById("phpsel").style.background ='#FFFFFF';
document.getElementById("vpssel").style.background ='#E3E3E3';
}