function isEmail(s)
{
	var re;
	re = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,})+$/;
	if (re.test(s) == true)
		return true;
	else
		return false;
}

function validate()
{
	var name=document.getElementById('Name').value;
	var company=document.getElementById('Company').value;
	var email=document.getElementById('email').value;
	var phone=document.getElementById('Phone').value;
	var sc=document.getElementById('security_code').value;
	
	if(name=="")
	{
		alert("Please enter Name.");
		document.getElementById('name').focus();
		document.getElementById('name').select();
		return false;
	}
	if(company=="")
	{
		alert("Please enter Company.");
		document.getElementById('company').focus();
		document.getElementById('company').select();
		return false;
	}
	if(phone=="")
	{
		alert("Please enter Phone.");
		document.getElementById('phone').focus();
		document.getElementById('phone').select();
		return false;
	}
	if(email=="")
	{
		alert("Please enter Email.");
		document.getElementById('email').focus();
		document.getElementById('email').select();
		return false;
	}
	
	if(!isEmail(document.getElementById('email').value))
	{
		alert("Please enter valid Email.");
		document.getElementById('email').focus();
		document.getElementById('email').select();
		return false;
	}
	if(sc=="")
	{
		alert("Please enter Security Code.");
		document.getElementById('security_code').focus();
		document.getElementById('security_code').select();
		return false;
	}
}