function sheader()
{
document.write("");
document.write(" ");
}
function sbody(istr)
{
document.write("");
document.write(" ");
}
function intro1()
{
document.write("");
document.write(" ");
}
function intro2()
{
document.write("");
document.write(" ");
}
function pbody(istr)
{
document.write("");
document.write(" ");
}