function showError(msg){
	var errorElement = document.getElementById("errorMsg");
	var div = document.createElement("div");
	div.style.fontSize="20px";
	div.style.textAlign="center";
	div.style.color="red";
	div.innerHTML=msg;
	errorElement.appendChild(div);
}
function trim(str){
	return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}
function emailValidator(text){
	var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;  
	return emailPattern.test(text);
}
function validateForm(){
	var name = document.getElementById("Text1").value;
	var email = document.getElementById("Text2").value;
	if(trim(name) =="" || trim(name) == null){
		showError("Please Enter your name");
		return false;
	}
	if(emailValidator(trim(email)) == false){
		showError("Please enter a valid email id");
		return false;
	}
	return true;
}

function new_freecap()
{
	// loads new freeCap image
	if(document.getElementById)
	{
		// extract image name from image source (i.e. cut off ?randomness)
		thesrc = document.getElementById("freecap").src;
		thesrc = thesrc.substring(0,thesrc.lastIndexOf(".")+4);
		// add ?(random) to prevent browser/isp caching
		document.getElementById("freecap").src = thesrc+"?"+Math.round(Math.random()*100000);
	} else {
		alert("Sorry, cannot autoreload Captcha image\nSubmit the form and a new Captcha will be loaded");
	}
}