function whichKey(event)
{

switch(event.keyCode)
{
case 49:
window.location="index.html";
};

switch(event.keyCode)
{
case 50:
window.location="portfolio.html";
};

switch(event.keyCode)
{
case 51:
window.location="friends.html";
};

switch(event.keyCode)
{
case 52:
window.location="webart.html";
};

switch(event.keyCode)
{
case 53:
window.location="http://www.youtube.com/watch?v=YNI43Q6MNt0";
};

}