var img_base = 'http://tama-sizen.com/';
function rovb(obj)
{
str = obj.src;
ret = str.match(/(\d+)/g);
obj.src = img_base + 'images/btn_b_' + ret[0] + '.gif';
}
function roub(obj)
{
str = obj.src;
ret = str.match(/(\d+)/g);
obj.src = img_base + 'images/btn_a_' + ret[0] + '.gif';
}
function rovm(obj)
{
str = obj.src;
ret = str.match(/(\d+)/g);
obj.src = img_base + 'images/top_menu_' + ret[0] + 'b.gif';
}
function roum(obj)
{
str = obj.src;
ret = str.match(/(\d+)/g);
obj.src = img_base + '/images/top_menu_' + ret[0] + 'a.gif';
}
function OpenWindow(imgName){
pwin = window.open("","_blank","width=540, height=420,scrollbars=1,resizable=1'");
pwin.document.open();
pwin.document.write(
"",
"",
"",
"