//Copyright DanielSecurities
var invalidaddress=new Array();
invalidaddress[0]="rocketmail";
invalidaddress[1]="zdnetmail";

function checkemail(){
	var invalidcheck=0;
	var str=document.validation.emailcheck.value;
	var filter=/^(\w+(?:\.\w+)*)@((?:\w+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if(filter.test(str)){
		var tempstring=str.split("@");
		tempstring=tempstring[1].split(".");
		for(i=0;i<invalidaddress.length;i++){
			if(tempstring[0]==invalidaddress[i]){
				alert("Please input a more official email address.");
				return(false);
			}
		}
		return(true);
	}
	else{
		alert("Please input a valid email address.");
		return(false);
	}
}
function check(){
	if(document.layers||document.getElementById||document.all){
		return checkemail();
	}
	else{
		alert("Your Web browser is unsupported.  Your email address cannot be verified and so has not been added.");
		return(false);
	}
}