function checkForm()
{
	errMsg		= "";
	cName		= "";
	cEmail		= "";
	cMsg		= "";
	flag		= true;
	cName		= document.getElementById('name').value;
	cEmail		= document.getElementById('email').value;
	cMsg		= document.getElementById('msg').value;

	if(cName == ""){
		errMsg += "Please Enter Name\n";
		flag = false;
	}
	if(cEmail == ""){
		errMsg +="Please Enter Email\n";
		flag = false;
	}
	if(cMsg == ""){
		errMsg += "Please Enter Message";
		flag = false;
	}
	if(flag == false){
		alert(errMsg);
		return false;
	}else{
		return checkEmail(cEmail);
	}
}

function checkEmail(cEmail)
{
	var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	str = cEmail
	if(str.match(emailRegEx)){
		return true;
	}else{
		alert('Please enter a valid email address.');
		return false;
	}
}