function validateChars(myStr) {
	var result = false;
	specialChars = new Array("<", ">", "\"", "'", "%", ";", ")", "(", "&", "+");
	for (e=0; e<specialChars.length;e++) { if (myStr.indexOf(specialChars[e])!=-1) { result = true; } }
	return result;
}


function validateEmail(myStr) {
	var exp = new RegExp(/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/);
	return exp.test(myStr);	
}