// JavaScript Document
function news_signup() {
	//show news_signup form
	document.getElementById('news_signup').style.display='';
}
function validateSignup(frm) {

	 if (frm.name.value.length == 0){
            alert("Please enter your full name");
            frm.name.focus();
            return false;
        }

	if (!check_email(frm.email.value)){
            alert("Please enter a valid email address!");
            frm.email.focus();
            return false;			
        }
	 if (frm.interest.value.length == 0){
            alert("Please select your interest");
            frm.interest.focus();
            return false;
        }				
}
function check_email(e) {

	ok = "1234567890qwertyuiop[]asdfghjklzxcvbnm.@-_QWERTYUIOPASDFGHJKLZXCVBNM";
	for(i=0; i < e.length ;i++){
		if(ok.indexOf(e.charAt(i))<0){ 
		return (false);
		}	
	} 

	if (document.images) {
		re = /(@.*@)|(\.\.)|(^\.)|(^@)|(@$)|(\.$)|(@\.)/;
		re_two = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
		if (!e.match(re) && e.match(re_two)) {
			return (-1);		
		} 
	}
}