//shopfunc.js

function sndml(emailhost)
{
  var email     = "contact";
  window.location='mailto:'+email+'@'+emailhost;
}

function checkBuy(prodtype,name,optsname,poptcnt,prodopt)
{
   if (poptcnt > 1)	//otherwise no need to check radio button
   {
       if (prodtype != document.addcart.prodtype.value)
       {
           alert('You must first click to choose a '+name+' '+optsname+' above.');
           return false;
       }
       else
           return true;
   }
   else
   {
       document.addcart.prodopt.value=prodopt;	//assign prodopt[0]
       document.addcart.prodtype.value=prodtype;
       return true;
   }
}

function copyAddr()
{
    d = document.acctinfo;

    d.firstname2.value = d.firstname1.value;
    d.lastname2.value  = d.lastname1.value;
    d.phone3.value     = d.phone1.value;
    d.s_address1.value = d.b_address1.value;
    d.s_address2.value = d.b_address2.value;
    d.s_city.value     = d.b_city.value;
    d.s_state.value    = d.b_state.value;
    d.s_zip.value      = d.b_zip.value;
    d.s_country.value  = d.b_country.value;
}



function placeOrder(d)
{
    if (!d.paychoice1.checked && !d.paychoice2.checked)
    {
        alert('You must first choose a Payment Method:\nCredit Cart payment or Check payment');
        return false;
    }
    else
    {
        if (d.paychoice1.checked)	//payment via PayPal
        {
            d.paymeth.value = 1;
            document.paypal.submit();
        }
        else
        {
            d.paymeth.value = 2;
            //d.submit();			//payment via check
        }
        return true;
    }
}

function checkemail(email)
{
    if (!emailisvalid(email))
    {
        alert('Email doesn\'t appear to be a valid address'); 
        return false;
    }
    else
        return true;
}

function checkpassword(password,passconf)
{
    if ( password.length < 6)
    {
        alert('Password error: Must be at least 6 characters long'); 
        return false;
    }
 
    if (passconf.length > 0 && password != passconf)
    {
        alert('Password mismatch: Please Re-enter Password and Retype Password'); 
        return false;
    }
    return true;
}

function checkentry(frm)
{
    frm.company.optional    = "true";
    frm.phone2.optional     = "true";
    frm.b_address2.optional = "true";
    frm.firstname2.optional = "true";
    frm.lastname2.optional  = "true";
    frm.phone3.optional     = "true";
    frm.s_address2.optional = "true";

    var msg;
    var empty_fields = "";
    var empcnt = 0;
    var errors = "";

    for (var i=0; i<frm.length; i++)
    {
        var e = frm.elements[i];
        
        if ((e.type == "text" || e.type == "textarea" || e.type == "password") && !e.optional)
        {
             if ((e.value == null) || (e.value == "") || isblank(e.value))
             {
                empty_fields += "\n        "+ e.title;
                empcnt++;
                continue;
             }

             if (e.name == "password" && frm.password.value.length < 6)
             {
                 errors += "- Password Error: Must be at least 6 characters long\n";   
             }

             if (e.name == "passconf" && frm.password.value != frm.passconf.value)
             {
                 errors += "- Password Error: Re-enter Password and Retype Password\n";   
             }

            if (e.name == "email")
            {
                if (!emailisvalid(e.value))
                {
                   errors += "- Email doesn't appear to be valid\n";
                }
            }

             //check for numeric only fields
/*
            if (e.numeric || (e.min != null) || (e.max != null))
            {
                var v = parseFloat(e.value);
                if (isNaN(v) || ((e.min != null) && (v < e.min)) ||
                                ((e.max != null) && (v > e.max)))
                {
                    errors += "- The entry " + e.title + " must be a number";
                    if (e.min != null)
                         errors += " that is greater than " + e.min;
                    if (e.max != null && e.min != null)
                         errors += " and less than " + e.max;
                    else if (e.max != null)
                         errors += " that is less than " + e.max;
                    errors += ".\n";
                 }
             }
*/

        }
    }//end for

    if (frm.shipmeth.value == "0,0.0")
        errors += "- Shipping Method Error: You must choose a Shipping Method\n";   
            
    if (!empty_fields && !errors)
        return true;

    msg =  "______________________________________________\n\n";
    msg += "We'll still need more information to finish your order.\n";
    msg += "Please recheck the following to complete your Ordering Information:\n";
    msg += "______________________________________________\n\n";

    if (empty_fields)
    {
        if (empcnt > 1)
            msg += "- The following required entries are blank:" + empty_fields + "\n";
        else
            msg += "- The following required entry is blank:" + empty_fields + "\n";


        if (errors) 
            msg += "\n";
    }
    msg += errors;
    alert(msg);
    return false;
}

function hasBlanks(str)
{
    for (var i = 0; i< str.length; i++)
    {
        var c = str.charAt(i);
        if (c == ' ') 
            return true;
    }
    return false;
}

function isblank(str)
{
    for (var i = 0; i< str.length; i++)
    {
        var c = str.charAt(i);
        if ((c != ' ') && (c != '\n') && (c != '\t')) 
            return false;
    }
    return true;
}

function emailisvalid(str)
{
    var foundat  = false;
    var founddot = false;
    for (var i = 0; i< str.length; i++)
    {
        if (str.charAt(i) == '@')
            foundat = true;
        if (str.charAt(i) == '.')
            founddot = true;
    }
    if (foundat && founddot)
        return true;
    else
        return false;
}


function checkProd(prodavail,prodid)
{
    if (prodavail) 
    {
        document.addtocart.mode.value='A';    
        document.addtocart.prodid.value=prodid;
        document.addtocart.submit();
    }
    else 
        alert('We\'re sorry, but this product is currently unavailable');
}


function checkOpt(optavail,prodopt,prodtype,idx)
{
    if (optavail) 
    {
        document.addcart.prodopt.value=prodopt;
        document.addcart.prodtype.value=prodtype;
    }
    else 
    {
        alert('We\'re sorry but this option is not currently available');
        document.addcart.prdopt[idx].checked = false;
    }  
}