function isNumberKey(evt)
				{
				 var charCode = (evt.which) ? evt.which : event.keyCode
				 if (charCode > 31 && (charCode < 48 || charCode > 57))
					 {
				     alert("Please enter only numbers");
				     return false;
					}
				}
				
function field_check()
{
var a = document.application_frm;
var mobile_len = a.mobile_no.value;
  
  if(a.insurance_for[0].checked == false && a.insurance_for[1].checked == false && a.insurance_for[2].checked == false)
	{
       alert("Please select vehicle Type");
       return false;
	}
if (a.make_id.selectedIndex == 0 ) {	
	alert ( "Please select your Make." ); 
	return false; } 
if (a.model_id.selectedIndex == 0 ) {	
	alert ( "Please select your Model." ); 
	return false;}
if (a.variant_id.selectedIndex == 0 ) {	
	alert ( "Please select your Variant." ); 
	return false; }
if(a.registration_no.value == " ")
{
	alert("Enter Your Registration Number");
	a.registration_no.focus();
	return false;
}
if(a.manufacture_year.selectedIndex == 0 ) {	
	 alert ( "Please select your manufacture_year." ); 
   	a.manufacture_year.focus()
    return false; } 
if (a.type_vehicle.selectedIndex == 0 ) {	
	alert ( "Please select your type_vehicle." ); 
	a.type_vehicle.focus();
	return false;}
if (a.vehicle_requirment.selectedIndex == 0 ) {	
	alert ( "Please select your vehicle_requirment." ); 
	a.vehicle_requirment.focus();
	return false; }
 
 if(a.name.value == "")
{
  alert("Enter Your Full Name");
  a.name.focus();
  return false;
 }
 if(a.city.value == "")
{
  alert("Enter Your City Name");
  a.city.focus();
  return false;
 }
if(a.email_id.value=="")
	{
	/*alert("hi");*/
	alert ("Enter your Email-id");
	a.email_id.focus()
	return false;
	}
	 
	if (a.email_id.value.indexOf("@")<1 ||
    	a.email_id.value.indexOf(".")==-1 ||
    	a.email_id.value.indexOf(",")!=-1 ||
    	a.email_id.value.indexOf(" ")!=-1 ||
    	a.email_id.value.length<6)
  	{
    	alert("Please enter a valid E-mail address.\n" + "Example: name@gmail.com");
     	a.email_id.focus();
    	return false;
  	}
		if(a.std_area_code.value == "" && a.landline_no.value == "" )
		{
		alert("Please enter  Landline Phone Number");
		a.std_area_code.focus();
		return false;
	}
	
		if( a.mobile_no.value == "") 
	{
		alert("Please enter  Mobile Phone Number");
		a.mobile_no.focus();
		return false;
	}
	 
	
	if(mobile_len.length != 10) {
		alert("Enter valid Mobile Phone Number!");
		a.mobile_no.focus();
		return false;
	}
return true;
}