function highlight(DivId){

document.getElementById("Nav0").style.backgroundColor='';
document.getElementById("Nav1").style.backgroundColor='';
document.getElementById("Nav2").style.backgroundColor='';
document.getElementById("Nav3").style.backgroundColor='';
document.getElementById("Nav4").style.backgroundColor='';
document.getElementById("Nav5").style.backgroundColor='';
document.getElementById("Nav6").style.backgroundColor='';
document.getElementById("Nav7").style.backgroundColor='';

document.getElementById(DivId).style.backgroundColor='#FF9122';

}

function unhighlight(DivId){

document.getElementById(DivId).style.backgroundColor='';

}

function locatefooter(){
document.getElementById("footer").style.display='';
document.getElementById("footer").style.top=document.body.scrollHeight-91;

}