// JavaScript Document
function ex_open01(){
ww=685;
hh=645;
xx=(screen.width-ww)/2; 
yy=(screen.height-hh)/2;
window.open("http://www.ccode.jp/demo/dc.html","mark","width="+ww+", height="+hh+", top="+yy+", left="+xx);
}

function ex_open02(){
www=673;
hhh=500;
xxx=(screen.width-www)/2; 
yyy=(screen.height-hhh)/2;
window.open("purchase_ex.html","mark","width="+www+", height="+hhh+", top="+yyy+", left="+xxx);
}