// JavaScript Document
var namePattern = /^([a-zA-Z ]+)$/;
var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,3}$/;

function form_valid()
{
	if(document.f1.name.value.length==0)
	{
		alert("Name should be given");
		document.f1.name.focus();
		return false;
	}
	if(namePattern.test(document.f1.name.value)==false)
	{
		alert("Name should be in letter");
		document.f1.name.value="";
		document.f1.name.focus();
		return false;
	}
	
	if(document.f1.email.value.length==0)
	{
		alert("Email should be given");
		document.f1.email.focus();
		return false;
	}
	if(emailPattern.test(document.f1.email.value)==false)
	{
		alert("Invalid Email");
		document.f1.email.value="";
		document.f1.email.focus();
		return false;
	}
	if(document.f1.phone.value.length==0)
	{
		alert("Phone Number should be given");
		document.f1.phone.focus();
		return false;
	}
	if(isNaN(document.f1.phone.value)==true)
	{
		alert("Phone Number should be in digit");
		document.f1.phone.value="";
		document.f1.phone.focus();
		return false;
	}
	if(document.f1.query.value.length==0)
	{
		alert("Your Query should be given");
		document.f1.query.focus();
		return false;
	}
	
	
	return submit();;
}