// JavaScript Document
function isValidateEmail(s){
	if (s.length > 100){
		alert("Email Address is too long, no long than 100!")
		return false
	}
	
	var regu = "^(([0-9a-zA-Z]+)|([0-9a-zA-Z]+[_.0-9a-zA-Z-]*[0-9a-zA-Z]+))@([a-zA-Z0-9-]+[.])+([a-zA-Z]{2}|net|com|gov|mil|org|cc|edu|biz|int|tv)$"
	var re = new RegExp(regu);
	if (s.search(re) != -1) {
	  return true;
	}else {
	  return false
	}
}

function checkdata(){
    if (document.emailForm.Emailforlist.value == "" || !isValidateEmail(document.emailForm.Emailforlist.value)){
    alert('Please enter a valid Email!');
    document.emailForm.Emailforlist.focus();
    return false;
    }
 }