function validate()
 {
	var email = document.getElementById('email').value;
	var name = document.getElementById('name').value;
	var msg = document.getElementById('msg').value;
	var captcha = document.getElementById('captcha').value;
	var error = false;
    var email_regex = /^[0-9a-zA-Z._]+@[a-zA-Z_]+?\.[a-zA-Z]{2,6}$/;

	document.getElementById('email_box').innerHTML = ""; 
	
	if(email.length == 0)
	 {
		var newHTML = "<br /><span style='color:red; font-size: 14px;'>This field is necessary</span>";
		document.getElementById('email_box').innerHTML = newHTML; 
        error = true;
	}	
	
	else if(!email_regex.test(email))
	 {
        var newHTML = "<br /><span style='color:red; font-size: 14px;'>Please enter correctly</span>";
		document.getElementById('email_box').innerHTML = newHTML; 
        error = true;
	}	
	
	document.getElementById('name_box').innerHTML = "";
	if(name.length == 0)
	 {
		var newHTML = "<br /><span style='color:red; font-size: 14px;'>This field is necessary</span>";
		document.getElementById('name_box').innerHTML = newHTML;
        error = true;
	}

	document.getElementById('msg_box').innerHTML = "";
	if(msg.length == 0)
	 {
		var newHTML = "<br /><span style='color:red; font-size: 14px;'>This field is necessary</span>";
		document.getElementById('msg_box').innerHTML = newHTML;
        error = true;
	}
	
	document.getElementById('c_box').innerHTML ="";
	if(captcha.length == 0)
	 {
		var newHTML = "<br /><span style='color:red; font-size: 14px;'>This field is necessary</span>";
		document.getElementById('c_box').innerHTML = newHTML;
        error = true;
	}
    
		
	return !error;
}	

function submitForm(name) {
	var el = document.getElementsByName(name);
	
	el.submit();
}