function validate_form ( ) 
{ 
	var valid = true; 
	//if ( formObject.name.value == "" ) 
	//{ 
	//alert ( "Your Name Is Missing." ); 
	//valid = false; 
	//} 
	return valid; 
} 

function emailCheck (emailStr) { 
var checkTLD=0; 
var knownDomsPat=/ ^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/; 
var emailPat=/^(.+)@(.+)$/; 
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]"; 
var validChars="\[^\\s" + specialChars + "\]"; 
var quotedUser="(\"[^\"]*\")"; 
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/; 
var atom=validChars + '+'; 
var word="(" + atom + "|" + quotedUser + ")"; 
var userPat=new RegExp("^" + word + "(\\." + word + ")*$"); 
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$"); 
var matchArray=emailStr.match(emailPat); 
if (matchArray==null) { 
//alert("The Email Address Is Invalid"); 
return false; 
} 
var user=matchArray[1]; 
var domain=matchArray[2]; 
for (i=0; i<user.length; i++) { 
if (user.charCodeAt(i)>127) { 
//alert("The Username Contains Invalid Characters."); 
return false; 
} 
} 
for (i=0; i<domain.length; i++) { 
if (domain.charCodeAt(i)>127) { 
//alert("Ths Domain Name Contains Invalid Characters."); 
return false; 
} 
} 
if (user.match(userPat)==null) { 
//alert("The Username Is Invalid."); 
return false; 
} 
var IPArray=domain.match(ipDomainPat); 
if (IPArray!=null) { 
for (var i=1;i<=4;i++) { 
if (IPArray>255) { 
//alert("The Destination IP Address Is Invalid."); 
return false; 
} 
} 
return true; 
} 
var atomPat=new RegExp("^" + atom + "$"); 
var domArr=domain.split("."); 
var len=domArr.length; 
for (i=0;i<len;i++) { 
if (domArr[i].search(atomPat)==-1) { 
//alert("The Domain Name Is Invalid."); 
return false; 
} 
} 
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) { 
//alert("The Domain Name Extension Is Invalid"); 
return false; 
} 
if (len<2) { 
//alert("The Address Is Missing A Hostname."); 
return false; 
}
return true;
} 

var counter=0; 
function isReady(formObject) {
	//formObject = document.formName.email.value
	var _ret=false;
	//if (validate_form())
	//	_ret=true;
	if(emailCheck(formObject)){
		_ret=true;
	}else{
		_ret=false;
	}
	//if(_ret)
	//if(counter++){
		//_ret=false;
		//alert('The Form Is Already Being Submitted'); 
	//}else{
	//	_ret=true;
	//}
	return _ret; 
}