function mobile(url){ 
 window.open(url, "mobile", "width=250,height=500,scrollbars=yes"); 
} 
function op(url){ 
 window.open(url, "op.html", "width=600,height=500,scrollbars=yes"); 
} 
function komikomi(url){ 
 window.open(url, "komikomi", "width=220,height=550,scrollbars=no"); 
}