// JavaScript Document
//PRELOAD IMAGES
var myimages=new Array();
function preloadimages(){
	for (i=0;i<preloadimages.arguments.length;i++){
	myimages[i]=new Image()
	myimages[i].src=preloadimages.arguments[i]
	}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function myGetElementById(myId) { 
	var objElement;
	if ((document.getElementById) || (document.all) || (document.layers)) { 
		if (document.getElementById) { 
		//set vars, do stuff for compliant browsers 
			objElement = document.getElementById(myId);
		} 
		else if (document.layers) { 
		//do stuff for NN4, basically 
			objElement = document.layers(myId);
		} 
		else if (document.all) { 
		//old IE compatibility 
			objElement = document.all(myId);
		} 
	} 
	return objElement;
} 

function removeAllOptions(selectid)
{
	selectbox = myGetElementById(selectid)
	var i;
	for(i=selectbox.options.length-1;i>=0;i--)
		selectbox.remove(i);
}
function addOption(selectid,text,value, selected)
{
	selectbox = myGetElementById(selectid)
	var optn = document.createElement("OPTION");
	optn.text = text;
	optn.value = value;
	if(selected)
		optn.selected="selected";
	selectbox.options.add(optn);
}

function hasOption(selectid, value)
{
	selectbox = myGetElementById(selectid);
	for(i=0; i<=selectbox.options.length-1; i++)
	{
		if(selectbox.options[i].value == value)
		{
			selectbox.selectedIndex = i;
			return true;
		 }
	}
	return false;
}

function selectOptionByValue(selectid, value)
{
	selectbox = myGetElementById(selectid);
	for(i=0; i<=selectbox.options.length-1; i++)
	{
		if(selectbox.options[i].value == value)
		{
			selectbox.selectedIndex = i;
			break;
		 }
	}
}
function selectOptionByText(selectid, text)
{
	selectbox = myGetElementById(selectid);
	for(i=0; i<=selectbox.options.length-1; i++)
	{
		if(selectbox.options[i].text == text)
		{
			selectbox.selectedIndex = i;
			break;
		 }
	}
}

/*** ARRAY **/

function in_array(needle, haystack, strict) {
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: in_array('van', ['Kevin', 'van', 'Zonneveld']);
    // *     returns 1: true
 
    var found = false, key, strict = !!strict;
 
    for (key in haystack) {
        if ((strict && haystack[key] === needle) || (!strict && haystack[key] == needle)) {
            found = true;
            break;
        }
    }
 
    return found;
}

// {{{ array_keys
function array_keys( input, search_value, strict ) {
    // Return all the keys of an array
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_array_keys/
    // +       version: 810.2018
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: array_keys( {firstname: 'Kevin', surname: 'van Zonneveld'} );
    // *     returns 1: {0: 'firstname', 1: 'surname'}
    
    var tmp_arr = {}, strict = !!strict, include = true, cnt = 0;
    
    for ( key in input ){
        include = true;
        if ( search_value != undefined ) {
            if( strict && input[key] !== search_value ){
                include = false;
            } else if( input[key] != search_value ){
                include = false;
            }
        } 
        if( include ) {
            tmp_arr[cnt] = key;
            cnt++;
        }
    }
    
    return tmp_arr;
}// }}}

// {{{ array_key_exists
function array_key_exists ( key, search ) {
    // Checks if the given key or index exists in the array
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_array_key_exists/
    // +       version: 809.522
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Felix Geisendoerfer (http://www.debuggable.com/felix)
    // *     example 1: array_key_exists('kevin', {'kevin': 'van Zonneveld'});
    // *     returns 1: true

    // input sanitation
    if( !search || (search.constructor !== Array && search.constructor !== Object) ){
        return false;
    }

    return key in search;
}// }}}

// {{{ count
function count( mixed_var, mode ) {
    // Count elements in an array, or properties in an object
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_count/
    // +       version: 811.1314
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Waldo Malqui Silva
    // *     example 1: count([[0,0],[0,-4]], 'COUNT_RECURSIVE');
    // *     returns 1: 6
    // *     example 2: count({'one' : [1,2,3,4,5]}, 'COUNT_RECURSIVE');
    // *     returns 2: 6

    var key, cnt = 0;

    if( mode == 'COUNT_RECURSIVE' ) mode = 1;
    if( mode != 1 ) mode = 0;

    for (key in mixed_var){
        cnt++;
        if( mode==1 && mixed_var[key] && (mixed_var[key].constructor === Array || mixed_var[key].constructor === Object) ){
            cnt += count(mixed_var[key], 1);
        }
    }

    return cnt;
}// }}}

// {{{ current
function current(arr) {
    // Return the current element in an array
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_current/
    // +       version: 901.617
    // +   original by: Brett Zamir
    // %        note 1: Uses global: window.php_js to store the array pointer
    // *     example 1: transport = ['foot', 'bike', 'car', 'plane'];
    // *     example 1: current(transport); 
    // *     returns 1: 'foot'

    if (!window.php_js) window.php_js = {
        pointers:[]
    };
    var pointers = window.php_js.pointers;
    if (pointers.indexOf(arr) === -1) {
        pointers.push(arr, 0);
    }
    var arrpos = pointers.indexOf(arr);
    var cursor = pointers[arrpos+1];
    if (arr instanceof Array) {
        return arr[cursor] || false;
    }
    var ct = 0;
    for (var k in arr) {
        if (ct === cursor) {
            return arr[k];
        }
        ct++;
    }
    return false; // Empty
}// }}}

// {{{ array_unique
function array_unique( array ) {
    // Removes duplicate values from an array
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_array_unique/
    // +       version: 811.1314
    // +   original by: Carlos R. L. Rodrigues (http://www.jsfromhell.com)
    // +      input by: duncan
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Nate
    // *     example 1: array_unique(['Kevin','Kevin','van','Zonneveld','Kevin']);
    // *     returns 1: ['Kevin','van','Zonneveld']
    // *     example 2: array_unique({'a': 'green', 0: 'red', 'b': 'green', 1: 'blue', 2: 'red'});
    // *     returns 2: {'a': 'green', 0: 'red', 1: 'blue'}
    
    var key = '', tmp_arr1 = {}, tmp_arr2 = {};
    var val = '';
    tmp_arr1 = array;
    
	var __array_search = function (needle, haystack, strict) {
        var fkey = '';
	    var strict = !!strict;
	    for (fkey in haystack) {
	        if ((strict && haystack[fkey] === needle) || (!strict && haystack[fkey] == needle) ) {
	            return fkey;
	        }
	    }
	    return false;
	}    
	
    for (key in tmp_arr1) {
        val = tmp_arr1[key];
        if (false === __array_search(val, tmp_arr2)) {
            tmp_arr2[key] = val;
        }
        
        delete tmp_arr1[key];
    }
    
    return tmp_arr2;
}// }}}

/* ajax */
function setCouponState(state)
{
	location.href='index.php?page=shop.cart&option=com_virtuemart&resetcoupon=true';
}

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	  {
	  // Firefox, Opera 8.0+, Safari
	  xmlHttp=new XMLHttpRequest();
	  }
	catch (e)
	  {
	  // Internet Explorer
	  try
		{
		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
	  catch (e)
		{
		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	  }
	return xmlHttp;
}