function CheckForCorpEmail(){
	var str=document.getElementById('email').value;

	// Check for gmail
	if (str.search("@gmail.com") != -1) {
		alert('Please use a corporate email address');
		return false;
	}

	// Check for hotmail
	if (str.search("@hotmail.com") != -1) {
		alert('Please use a corporate email address');
		return false;
	}

	// check for yahoo
	if (str.search("@yahoo.com") != -1) {
		alert('Please use a corporate email address');
		return false;
	}

	// Check for att
	if (str.search("@att.net") != -1) {
		alert('Please use a corporate email address');
		return false;
	}
	
	// Check for aol
	if (str.search("@aol.com") != -1) {
		alert('Please use a corporate email address');
		return false;
	}

	// Check for comcast
	if (str.search("@comcast.net") != -1) {
		alert('Please use a corporate email address');
		return false;
	}

	return true;

}