function selectPackage (){
   	document.getElementById("Package").style.display = 'block';
   	document.getElementById("alaCarte").style.display = 'none';
   	document.getElementById("TechSessionChoice").style.display = 'none';
}   
function selectalaCarte (){
   	document.getElementById("Package").style.display = 'none';
   	document.getElementById("alaCarte").style.display = 'block';
   	document.getElementById("TechSessionChoice").style.display = 'none';
}   
function selectTechSession (){
   	document.getElementById("TechSessionChoice").style.display = 'block';
}