function newM(y,m,d)
{
newday=new Date(y+"/"+m+"/"+d);
oldday= new Date();
n=(oldday-newday)/(1000*60*60*24);
if (n <=7) {
document.write("<img src='http://mitsubai.com/tokyo/product/images/new.gif' />");
} else {
document.write("<img src='http://mitsubai.com/tokyo/product/images/transparent.gif' />");
}
}