function isNumberKey(evt)
{
 var charCode = (evt.which) ? evt.which : event.keyCode
 if (charCode > 31 && (charCode < 48 || charCode > 57))
 {
     alert("Please enter valid contact number");
    return false;
}
}
 
 
function check()
{
 var f=document.enquiry;
 
 
 if(f.name.value==0){
 	alert ("Please enter the name");
	f.name.focus();
	return false;
 }
 if(!isNaN(f.name.value)){
 	alert ("Please enter the valid name");
	f.name.value="";
	f.name.focus();
	return false;
 }
  if(f.cname.value==0){
 	alert ("Please enter the company name");
	f.cname.focus();
	return false;
 }
  if(f.cperson.value==0){
 	alert ("Please enter the contact person's name");
	f.cperson.focus();
	return false;
 }
  if(f.cpn.value==0)
	{
 alert ("Please enter the contact person's Phone number");
	f.cpn.focus();
	return false;
 }
  if(f.email.value==0)
	{
		alert("Please enter the Email in format y@yy.com");
		f.email.focus();
		return false;
	}
    
	if(f.opn.value==0){
 	alert ("Please enter the Office Phone Number");
	f.opn.focus();
	return false;
 }
/*  if(f.length.value==0){
 	alert ("Please enter the length value");
	f.length.focus();
	return false;
 }
 if(f.width.value==0){
 	alert ("Please enter the width value");
	f.width.focus();
	return false;
 }
 if(f.height.value==0){
 	alert ("Please enter the height value");
	f.height.focus();
	return false;
 }
 if(f.weight.value==0){
 	alert ("Please enter the weight value");
	f.weight.focus();
	return false;
 }*/
 if(f.fdate.value==0){
 	alert ("Please select record from date");
	f.fdate.focus();
	return false;
 }  
 if(f.fm.value==0){
 	alert ("Please select record from month");
	f.fm.focus();
	return false;
 } 
 
 if(f.fy.value==0){
 	alert ("Please select record from year");
	f.fy.focus();
	return false;
 }
  if(f.address1.value==0){
 	alert ("Please enter the from address");
	f.address1.focus();
	return false;
 }
  
 if(f.address2.value==0){
 	alert ("Please enter the destination address");
	f.address2.focus();
	return false;
 }
 if(f.special.value==0){
 	alert ("Please enter the special requirements");
	f.special.focus();
	return false;
 }
 return true;
}