function chart2() {
      window.open('http://www.sixsigmaspc.com/std-dev-from-mean.html','chart2','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=495,height=501');
}

function chart3() {
      window.open('http://www.sixsigmaspc.com/defects-vs-rolled-throughput.html','chart3','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=325,height=501');
}
function chart4() {
      window.open('http://www.sixsigmaspc.com/four-sigma-vs-six-sigma-capability.html','chart4','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=577,height=501');
}
function cp_popup() {
window.open('http://www.sixsigmaspc.com/ssspc/cp.html','cp','titlebar=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=450,height=375');
}

function cpk_popup() {
window.open('http://www.sixsigmaspc.com/ssspc/cpk.html','cpk','titlebar=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=450,height=375');
}

function sigma_popup() {
window.open('http://www.sixsigmaspc.com/ssspc/sigma.html','sigma','titlebar=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=450,height=375');
}

function range_popup() {
window.open('http://www.sixsigmaspc.com/ssspc/range.html','range','titlebar=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=450,height=375');
}

function mean_popup() {
window.open('http://www.sixsigmaspc.com/ssspc/mean.html','mean','titlebar=no,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=yes,width=450,height=375');
}

function i8() {
window.open('http://www.sixsigmaspc.com/index.html','i8','titlebar=yes,toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,resizable=yes,copyhistory=yes,scrollbars=yes,width=800,height=600');
}

function i10() {
window.open('http://www.sixsigmaspc.com/index.html','i10','titlebar=yes,toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,resizable=yes,copyhistory=yes,scrollbars=yes,width=1024,height=768');
}