var testresults
function validateEmail(str){
	if(str != ''){
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (filter.test(str))
			return true
		else{
			alert("Please input a valid Email address!")
			return false
		}
	}else{
		return true
	}
}
function validate_email(f){
	var v = document.getElementById(f).value;
	var img_id = f + 'Img';
	if(v != ''){
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (filter.test(v)){
			document.getElementById(img_id).src = '/files/images/misc/green_check.png';
			document.getElementById(img_id).style.visibility = 'visible';
			return true
		}else{
			document.getElementById(img_id).src = '/files/images/misc/red_x.png';
			document.getElementById(img_id).style.visibility = 'visible';
			document.getElementById(f).focus();
			return false
		}
	}else{
		document.getElementById(img_id).style.visibility = 'hidden';
		return true
	}
}