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, Captcha;
	
	Name=document.getElementById("need_name");   
	Phone=document.getElementById("need_phone");		
	Email=document.getElementById("need_email");
	Captcha=document.getElementById("captcha_input");
	
	
	if(Name.value == "") {
	alert("Please Enter Your Name!");
	Name.focus();
	return(false); 
	}
	
	if(Phone.value == "") {
	alert("Please Enter Phone Number!");
	Phone.focus();
	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);
	}
	if(Captcha.value == "") {
	alert("Please Enter Security Code!");
	Captcha.focus();
	return(false); 
	}
	return true;	
	}