function imgOn(imgName) {
if (document.images) {
document.img1.src = imgName;        }}


function winop(win)
{
windop = window.open(win,'','width=630, height=300');
}

function winop2(win)
{
windop = window.open(win,'');
}

function winop3(win)
{
windop = window.open(win,'','width=630, height=500');
}