function write_form(id){
	alert('yyy');
	document.getElementById('why').innerHTML='<div style="background-color:#ffffff;border:2px solid #999999;">\
				   	<form name="mail" action="mail.php" method="post">\
					สินค้า:<input type="text" name="product">\
					<br />e-mail:ติดต่อกลับ:<input type="text" name="mail-contace">\
					<br />รายละเอียด:<textarea name="text" cols="5" rows="5"></textarea>\
					<br /><input type="submit" value="ตกลง">\
					</form>\
				   </div>';
	
}
function price(p,basedir){
	
	p=p.replace(',','c');
	p=p.replace('.','d');
	p=p.replace('-','l');
	for(i=0;i<p.length;i++){
		document.write('<img src="'+basedir+'/img/css/number/'+p.substring(i,i+1)+'.gif" />');
	}
}