// JavaScript Document
function $g(ele){
	return document.getElementById(ele);
}
function isValidEmail(str) {
   return (str.indexOf(".") > 0) && (str.indexOf("@") > 0);
 
}

function submitMailList(){
	if(document.newsletter.emailAddress.value == "Enter Email Address"){
		//no action
	} else {
		if (!isValidEmail(document.newsletter.emailAddress.value)){
			alert("Email Address is Invalid");
			document.newsletter.emailAddress.select();
		} else {
			document.newsletter.submit();
		}
	}
}
function clearField(){
	if(document.newsletter.emailAddress.value == "Enter Email Address"){
		document.newsletter.emailAddress.value = "";	
	} else {
		//no action
	}
}
function replaceField(){
	if(document.newsletter.emailAddress.value == ""){
		document.newsletter.emailAddress.value = "Enter Email Address"
	} else {
		//no action
	}
}
function mainMenuAni(act, ele){
	if(act == '1'){
		$g("sub_" + ele).style.display = "block";
	} else {
		$g("sub_" + ele).style.display = "none";	
	}
}
function subMenuAni(act, ele){
	if(act == '1'){
		$g("subItem_" + ele).style.backgroundColor = "#272727";
	} else {
		$g("subItem_" + ele).style.backgroundColor = "#000000";	
	}
}