function validPriceInformation() {
if (document.getElementById("txtName").value == null || document.getElementById("txtName").value == "") {
alert('Missing Your Name!');
return false;
} else if (document.getElementById("txtOrganisation").value == null || document.getElementById("txtOrganisation").value == "") 
{ alert('Missing Organization Name!');
return false;
} else if (document.getElementById("txtNumUsers").value == null || document.getElementById("txtNumUsers").value == "") 
{ alert('Missing No. of Users!');
return false;
} else if (document.getElementById("txtTelephone").value == null || document.getElementById("txtTelephone").value == "") 
{ alert('Missing Contact Tel. No.!');
return false;
}  else if(document.getElementById("txtEmail").value == null || document.getElementById("txtEmail").value == "")
{ alert('Missing Email ID!');
return false;
} else
return true;
}