function dileudf(s) {
return (s=s.replace(/["']{1}/gi,""));
}
function gwireddu(f) {
if (f.enw.value.length==0||f.enw.value==null)
	{
	alert('Please enter your name.');
	f.enw.focus();
	return false;
	}
else if (f.ebost.value.length==0||f.ebost.value==null)
	{
	alert('Please enter your e-mail address.');
	f.ebost.focus();
	return false;
	}
else if (f.ebost.value.indexOf('@')==-1||f.ebost.value.indexOf('.')==-1)
	{
	alert('The e-mail address is invalid.');
	f.ebost.focus();
	return false;
	}
else if (f.rhif.value.length!=0)
	{
	var strValid='0123456789 ()';
	var strChar;
   	var blnResult = true;

   	for (var i=0; i<f.rhif.value.length && blnResult == true; i++)
      		{
      		strChar = f.rhif.value.charAt(i);
      		if (strValid.indexOf(strChar) == -1) blnResult = false;
         	}
       	if (!blnResult)
		{
		alert('The phone no. is invalid.');
		f.rhif.focus();
		return false;
		}
	}
if (f.cyfanswm.value==0)
	{
	alert('Nothing has been chosen');
	return false;
	}
f.enw.value=dileudf(f.enw.value);
f.ebost.value=dileudf(f.ebost.value);
f.sylwad.value=dileudf(f.sylwad.value);
var s='HERE IS YOUR ORDER:\n\n';
for (var i=0; i < f.elements['qty[]'].length; i++)
	{
	var dd=f.elements['qty[]'][i].options[f.elements['qty[]'][i].selectedIndex].value;
	if (dd>0) 
		{
		s=s+dd+' x '+f.elements['maint[]'][i].value+'  (\u00A3'+f.elements['pris[]'][i].value+' each)';
		if (f.elements['enwdillad[]'][i].value.length>0) s=s+'  name\/s: '+f.elements['enwdillad[]'][i].value;
		s=s+'\n\n';
		}
	}
s=s+'TOTAL=\u00A3'+f.cyfanswm.value+trailingzero(f.cyfanswm.value)+'\n\n\nARE YOU SURE\?\n\n ';
return confirm(s);
}