function enquiry_validation()
{
if(document.enquiry_form.name.value=="")
{
alert("Please Enter Your Name");
document.enquiry_form.name.focus();
return false;
}

if(document.enquiry_form.email.value=="")
{
alert("PLease enter e-mail id ");
document.enquiry_form.email.focus();
return false;
}
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
var address =document.enquiry_form.email.value;
if(reg.test(address) == false) {
alert('Invalid  e-mail id ');
document.enquiry_form.email.focus();
return false;
}

if(document.enquiry_form.contact.value=="")
{
alert("Please Enter your Contact Number");
document.enquiry_form.contact.focus();
return false;
}	

if(document.enquiry_form.service.value=="")
{
alert("Please Select the service");
document.enquiry_form.service.focus();
return false;
}	

if(document.enquiry_form.security_code.value=="")
{
alert("Please Enter the Value Shown in the Image");
document.enquiry_form.security_code.focus();
return false;
}
return true;
}