function shopnav(pageno) {
	eval('document.shopform.pg.value="' +  pageno + '"');
	document.shopform.submit();
}

 function showMapArea(maparea) {
   for (i=65;i<91;i++) {
    	eval('document.getElementById("' + String.fromCharCode(i) + '").style.display="none"');
   }
    eval('document.getElementById("_1").style.display="none"');
 	eval('document.getElementById("' + maparea + '").style.display="block"');
 }