function Checkall()
{ 
	//var expTelephone = /[^\d\s-\.]+/;
	var expTelephone = /^\d+$/
	
if (document.Frm.comments.value.replace(/\s/g,'')=="")
{
  alert("Please enter your comments");
  document.Frm.comments.focus();
  return false;
}
if (document.Frm.name.value.replace(/\s/g,'')=="")
{
  alert("Please enter your name");
  document.Frm.name.focus();
  return false;
}
if (document.Frm.address.value.replace(/\s/g,'')=="")
{
  alert("Please enter your address");
  document.Frm.address.focus();
  return false;
}

if (document.Frm.phonestd.value.replace(/\s/g,'')!="") {
		
	
if(expTelephone.test(document.Frm.phonestd.value)==false)
	{
		alert("Invalid STD code");
		
		document.Frm.phonestd.focus();
		return false;
	}
}
if (document.Frm.phone.value.replace(/\s/g,'')=="") {
		alert("Please enter your phone number.");
		
		document.Frm.phone.focus();
		return false;
	}
else if(expTelephone.test(document.Frm.phone.value)==false)
	{
		alert("Invalid phone number");
		
		document.Frm.phone.focus();
		return false;
	}

if(document.Frm.email.value.replace(/\s/g,'')=="")
	{
		alert("Please enter your primary email.");
		document.Frm.email.focus();
		return false;
	}
	else if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.Frm.email.value))
	{
		alert("Please enter a valid email address.")
		document.Frm.email.focus();
		return false;
	}
return true;
}