function chpic(pic){
document.getElementById('container').innerHTML = '<img border=0 src=' + pic + '>';
}

function chpic2(pic2){
document.getElementById('container2').innerHTML = '<img border=0 src=' + pic2 + '>';
}

function chpic3(pic3){
document.getElementById('container3').innerHTML = '<img border=0 src=' + pic3 + '>';
}

function chpic4(pic4){
document.getElementById('container4').innerHTML = '<img border=0 src=' + pic4 + '>';
}

function chpic5(pic5){
document.getElementById('container5').innerHTML = '<img border=0 src=' + pic5 + '>';
}

function chpic6(pic6){
document.getElementById('container6').innerHTML = '<img border=0 src=' + pic6 + '>';
}

function chpic7(pic7){
document.getElementById('container7').innerHTML = '<img border=0 src=' + pic7 + '>';
}