// JavaScript Document
function goto(mmain) {
    //alert(mmain);
   if (mmain==1) { window.open("index.php","_self"); }
   if (mmain==2) { window.open("service.php","_self"); }
   if (mmain==3) { window.open("link.html","_self"); }
   if (mmain==4) { window.open("tax.html","_self"); }
   if (mmain==5) { window.open("contact.php","_self"); }
}