function echeck(str) 
{
		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
}


function validateForm1(sform)
{
	var eAddress = sform.Email.value;
	var eReAddress = sform.Email2.value;
	var ePassword = sform.Password.value;
	var eRePassword = sform.RetypePassword.value; 
	
	if (eAddress == "")
	{
		alert("Please enter an email address");
		sform.Email.focus();
		return (false);
	}
	
	// verify email 
	
	if (echeck(eAddress)==false)
	{
		alert("Please enter a valid email address");
		eAddress = "";
		sform.Email.focus();
		return (false);
	}
					
	if (eReAddress.toLowerCase( ) != eAddress.toLowerCase( ))
	{	
		alert("Your email address does not match")
		sform.Email2.focus();
		return (false);
	}
	
	if (ePassword.length < 4 || ePassword.length > 8)
	{
		alert("Password must be between 4 and 8 characters");
		sform.Password.focus();
		return (false);
	}
	
	if (eRePassword != ePassword)
	{
		alert("Your password does not match");
		sform.RetypePassword.value = "";
		sform.RetypePassword.focus();
		return (false);
	}
	
	return (true);
}