/*************************
  Coppermine Photo Gallery
  ************************
  Copyright (c) 2003-2008 Dev Team
  v1.1 originally written by Gregory DEMAR

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License version 3
  as published by the Free Software Foundation.
  
  ********************************************
  Coppermine version: 1.4.18
  $HeadURL: https://coppermine.svn.sourceforge.net/svnroot/coppermine/trunk/cpg1.4.x/scripts.js $
  $Revision: 4380 $
  $Author: gaugau $
  $Date: 2008-04-12 12:00:19 +0200 (Sa, 12 Apr 2008) $
**********************************************/

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function writeCookie(name, data, noDays){
  var cookieStr = name + "="+ data
  if (writeCookie.arguments.length > 2){
    cookieStr += "; expires=" + getCookieExpireDate(noDays)
    }
  document.cookie = cookieStr
}

function readCookie(cookieName){
   var searchName = cookieName + "="
   var cookies = document.cookie
   var start = cookies.indexOf(cookieName)
   if (start == -1){ // cookie not found
     return ""
     }
   start += searchName.length //start of the cookie data
   var end = cookies.indexOf(";", start)
   if (end == -1){
     end = cookies.length
     }
   return cookies.substring(start, end)
}

function blocking(nr, cookie, vis_state)
{
        if (document.layers)
        {
                current = (document.layers[nr].display == 'none') ? vis_state : 'none';
                if (cookie != '')
                        writeCookie(nr, current);
                document.layers[nr].display = current;
        }
        else if (document.all)
        {
                current = (document.all[nr].style.display == 'none') ? vis_state : 'none';
                if (cookie != '')
                        writeCookie(nr, current);
                document.all[nr].style.display = current;
        }
        else if (document.getElementById)
        {
                display = (document.getElementById(nr).style.display == 'none') ? vis_state : 'none';
                if (cookie != '')
                        writeCookie(nr, display);
                document.getElementById(nr).style.display = display;
        }
}


function adjust_popup()
{
        var w, h, fixedW, fixedH, diffW, diffH;
        if (document.documentElement && document.body.clientHeight==0) {     // Catches IE6 and FF in DOCMODE
                fixedW = document.documentElement.clientWidth;
                fixedH = document.documentElement.clientHeight;
                window.resizeTo(fixedW, fixedH);
                diffW = fixedW - document.documentElement.clientWidth;
                diffH = fixedH - document.documentElement.clientHeight;
                w = fixedW + diffW + 16; // Vert Scrollbar Always On in DOCMODE.
                h = fixedH + diffH;
                if (w >= screen.availWidth) h += 16;
        } else if (document.all) {
                fixedW = document.body.clientWidth;
                fixedH = document.body.clientHeight;
                window.resizeTo(fixedW, fixedH);
                diffW = fixedW - document.body.clientWidth;
                diffH = fixedH - document.body.clientHeight;
                w = fixedW + diffW;
                h = fixedH + diffH;
                if (h >= screen.availHeight) w += 16;
                if (w >= screen.availWidth)  h += 16;
        } else {
                fixedW = window.innerWidth;
                fixedH = window.innerHeight;
                window.resizeTo(fixedW, fixedH);
                diffW = fixedW - window.innerWidth;
                diffH = fixedH - window.innerHeight;
                w = fixedW + diffW;
                h = fixedH + diffH;
                if (w >= screen.availWidth)  h += 16;
                if (h >= screen.availHeight) w += 16;
        }
        w = Math.min(w,screen.availWidth);
        h = Math.min(h,screen.availHeight);
        window.resizeTo(w,h);
        window.moveTo((screen.availWidth-w)/2, (screen.availHeight-h)/2);
}

function show_section(e) {
    if (document.getElementById(e).style.display == 'none') {
        document.getElementById(e).style.display = 'block';
    } else {
        document.getElementById(e).style.display = 'none';
    }
}


function expand()
{
        var Nodes = document.getElementsByTagName("table")
        var max = Nodes.length
        for(var i = 0;i < max;i++) {
                var nodeObj = Nodes.item(i)
                var str = nodeObj.id
                if (str.match("section")) {
                        nodeObj.style.display = 'block';
                }
        }
}

function hideall()
{
        var Nodes = document.getElementsByTagName("table")
        var max = Nodes.length
        for(var i = 0;i < max;i++) {
                var nodeObj = Nodes.item(i)
                var str = nodeObj.id
                if (str.match("section")) {
                        nodeObj.style.display = 'none';
                }
        }
}



/*

the following functions added for the paypal/shop mod
note: they rely on hidden forms added to the theme pages

*/

function Dollar (val) {  // force to valid dollar amount
var str,pos,rnd=0;
  if (val < .995) rnd = 1;  // for old Netscape browsers
  str = escape (val*1.0 + 0.005001 + rnd);  // float, round, escape
  pos = str.indexOf (".");
  if (pos > 0) str = str.substring (rnd, pos + 3);
  return str;
}

function ReadForm (obj1) { // process un-named selects
  var i,amt,des,obj,pos,val;
  amt = obj1.baseamt.value*1.0;       // base amount
  des = obj1.basedes.value;           // base description

  for (i=0; i<obj1.length; i++) {     // run entire form
	obj = obj1.elements[i];           // a form element
	if (obj.type == "select-one" &&   // just get selects
		obj.name == "") {             // must be un-named
	  pos = obj.selectedIndex;        // which option selected
	  val = obj.options[pos].value;   // selected value
	  pos  = val.indexOf ("@");       // price set?
	  if (pos >= 0) amt = val.substring (pos + 1)*1.0;
	  pos  = val.indexOf ("+");       // price increment?
	  if (pos >= 0) amt = amt + val.substring (pos + 1)*1.0;
	  pos  = val.indexOf ("%");       // percent change?
	  if (pos >= 0) amt = amt + (amt * val.substring (pos + 1)/100.0);
	  if (des.length == 0) des = val;
	  else des = des + ", " + val;    // accumulate value
	}
  }

  obj1.item_name.value = des;
  obj1.amount.value = Dollar (amt);
  if (obj1.tot)
	obj1.tot.value = "$" + Dollar (amt);
}

function viewPayPalCart() {
	var cartForm = document.getElementById("paypalcartform");
	cartForm.submit();
}

function addItemToPayPalCart() {
	var cartForm = document.getElementById("paypalAddToBasketForm");
	ReadForm(cartForm);
	cartForm.submit();
}