function validate()
{

    var exprOne = /^[A-Za-z]+[ ]*[A-Za-z]+$/;
	var expTwo = /^[0-9]+$/;
    var expThree = /^[ ]+/;
    var exprFour = /^[A-Za-z]+$/;
	var filter=/^[a-zA-Z][\w\_\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/;

    var name,phone,email;

	name=document.getElementById("name");
    phone=document.getElementById("phone");
    email=document.getElementById("email");
  
  	if(name.value == "") 
	{
		alert("Please Enter Your Name!");
		name.focus();
		return(false); 
	}
	if(expThree.test(name.value))
	{
      alert("Please Enter a Valid Name!");	  
	  name.focus();
	  name.select();
	  return(false);
    }
	if(phone.value == "")
	{
		alert("Please Enter Your Phone Number !");
		phone.focus();
		return(false); 
	}
	if(expThree.test(phone.value))
	{
     alert("Please Enter a Valid Phone Number!");	  
	  phone.focus();
	  phone.select();
	  return(false);
    }
	if(email.value == "" || email.value == null ) 
	{
		alert("Please Enter Email Address!");
		email.focus();
		return(false);
	}
	if(!(filter.test(email.value)))
	{
		alert("Please enter a valid Email Id!");
		email.focus();
		email.select();
		return(false);
	}
	return true;	
}