function checkEmail() 
{
    var email = document.form1.email.value;
    if( email != null && ( trim(email) != "" ) )
    {
        if (email.indexOf("@", 0) == -1 
        	|| email.indexOf("@", 0) == 0 
        	|| email.indexOf(".", 0) == -1 
        	|| email.indexOf("@", 0) != email.lastIndexOf("@")        	 
        	|| email.lastIndexOf(".", 0) >= email.indexOf("@", 0) + 1) 
        	{
            //alert("Not a valid e-mail address format!");
           
				alert(alert_10);
			
            if( document.form1.email )
			{
            	document.form1.email.focus();
            }
            return false;
        } 
        else {
            return true;
        }
    }
}


function checkEmailVer2(email) 
{
    if( email != null && ( trim(email) != "" ) )
    {
        if (email.indexOf("@", 0) == -1 
        	|| email.indexOf("@", 0) == 0 
        	|| email.indexOf(".", 0) == -1 
        	|| email.indexOf("@", 0) != email.lastIndexOf("@")        	 
        	|| email.lastIndexOf(".", 0) >= email.indexOf("@", 0) + 1) 
        	{
            //alert("Not a valid e-mail address format!");
            
				alert(alert_10);
			if( document.form1.email )
			{
            	document.form1.email.focus();
            }
            return false;
        } 
        else {
            return true;
        }
    }
}