function enquiry_verify()
{
var pname=document.enquiry.pname.value;
var cname=document.enquiry.cname.value;
var tel=document.enquiry.tel.value;
var email=document.enquiry.email.value;



if(pname=='')
{
alert("Enter the Contact Persons Name"); 
document.enquiry.pname.focus();
return false;
}

if(cname=='')
{
alert("Enter the Company's Name"); 
document.enquiry.cname.focus();
return false;
}

if(tel=='')
{
alert("Enter the Telephone Number"); 
document.enquiry.tel.focus();
return false;
}

if(email=='')
{
alert("Enter the Email Id"); 
document.enquiry.email.focus();
return false;
}

if(!checkemail(email)){
                  alert("Please Enter The Valid E-mail Id");
                  document.enquiry.email.focus();
                  return false;
}

return true;
}



function checkemail(str){
              var filter=/^.+@.+\..{2,3}$/;
                            testresults=false;

              if (filter.test(str))
                  testresults=true;
                            return testresults;
}