var ajaxreq = false, ajaxCallback;

//###################################################################
//GLOBAL AJAX REQUEST CONSTRUCTOR
//###################################################################

function ajaxRequest(filename) {

    try {

        ajaxreq = new XMLHttpRequest();

    } catch (error) {

    try {

        ajaxreq = new ActiveXObject("Microsoft.XMLHTTP");

    } catch (error) {

      return false;

    }

    }

    ajaxreq.open("GET",filename,true);
    ajaxreq.onreadystatechange = ajaxResponse;
    ajaxreq.send(null);

}

//###################################################################
//GLOBAL AJAX RESPONSE CONSTRUCTOR
//###################################################################

function ajaxResponse() {

   if (ajaxreq.readyState != 4) return;
   if (ajaxreq.status == 200) {

   if (ajaxCallback) ajaxCallback();

   } else alert("Request failed: " + ajaxreq.statusText);

   return true;
}

//###################################################################
//SCROLL TO LAST POSITION ON PAGE
//###################################################################
function js_setScroll() {

    var point = document.getElementById('scroll_point').value;
    if (point > 0) {
       document.body.scrollTop = point;
    }

}

//###################################################################
//CHECK AVAILABILITY OF TRACK WORD
//###################################################################

function js_checkTrackWord() {

   var word = document.getElementById('products_word').value;
   var pid = document.getElementById('products_id').value;

   if (pid) {
	var products_id = pid;
   } else {
	var products_id = 0;
   }

   if (word && word.length > 0) {

	   //START LOADING GRAPHIC
	   var graphic = document.getElementById('loading_graphic');
	   if (graphic) {
		graphic.style.width = "16px";
		graphic.innerHTML = '';
		graphic.style.background = "url('/images/css/loading.gif')";
	   }

	   var filename = "index.php?group=vendor&class=ajax&task=check_track_word&products_id=" + pid + "&products_word=" + word;

	   ajaxCallback = js_trackWordInfo;

	   ajaxRequest(filename);

   } else {

	   js_validateForm(100);

   }

}

function js_trackWordInfo() {

   var response = ajaxreq.responseXML.getElementsByTagName("response")[0].childNodes[0].nodeValue;

   //STOP LOADING GRAPHIC
   var graphic = document.getElementById('loading_graphic');
   if (graphic) graphic.style.background = "#ffffff";

   if (response == 1) {

	var message = document.getElementById('loading_graphic');
	document.getElementById('products_word').style.background = 'yellow';
	if (graphic) graphic.style.width = "auto";
	if (graphic) message.innerHTML = "<SPAN CLASS='highlight_text'>That word is already taken</SPAN>";

   } else {

	js_validateForm(100);

   }
}

//###################################################################
//NAME: js_uploadMP3File(form)
//###################################################################
function js_uploadMP3File(form)
{

var i = js_validateForm(form);

if (!i) {

	var indicator = document.getElementById('loading_file_text');

	if (indicator) indicator.style.display = 'block';

}


}
//###################################################################
//CREATE VIDEO PLAYER
//###################################################################
function js_flvPlayer(vendors_id,size) {

if (size == 1) {

   var w = 380;
   var h = 285;
   var logo = '/images/shops/no_product_image_tr.png';
   

} else {

   var w = 186;
   var h = 155;
   var logo = '/images/shops/no_product_image_tr_s.png';

}

var location = 'video' + vendors_id;

var so = new SWFObject("/mplayer/mediaplayer.swf","mediaplayer",w,h,"8");

so.addVariable("height",h);
so.addVariable("width",w);
so.addVariable("backcolor","0xFFFFFF");
so.addVariable("screencolor","0xFFFFFF");
so.addVariable("logo",logo);
so.addVariable("frontcolor","0x990000");
so.addVariable("file","videos/video" + vendors_id + ".flv");
so.addVariable("image","/mplayer/videos/video" + vendors_id + ".png?" + (new Date()).getTime());
so.write(location);

return;

}
//###################################################################
//DISPLAY PRE-RELEASE DATETIME FORM IN ADD PRODUCT
//###################################################################
function js_displayPrData() {

    var prRadio = document.getElementById('pr_radio');
    var prData = document.getElementById('pr_data');

    if (prRadio.checked) {

       prData.style.display = 'block';

    } else {

       prData.style.display = 'none';

    }

}
//###################################################################
//CHANGE PRODUCT FORM BASED ON TYPE
//###################################################################
function js_typeFormUpdate() {

    var cc_cost = document.getElementById('cc_cost').value;

    var selectedTypeIndex = document.getElementById("products_type").selectedIndex;
    var selectedType = document.getElementById("products_type").options[selectedTypeIndex].value;
    var edit_product = document.edit_product;

    if (selectedType == 1) {

       if (!edit_product) document.getElementById('products_stock').value = "1"; 
       document.getElementById('products_delivery_weight_block').style.display = "block"; 
       if (!edit_product) document.getElementById('products_price').value = "0.00"; 
       document.getElementById('products_price_block').style.display = "block";

    } else if (selectedType == 2) {

       if (!edit_product) document.getElementById('products_stock').value = "10000"; 
       document.getElementById('products_delivery_weight_block').style.display = "none"; 
       document.getElementById('products_price').value = cc_cost; 
       document.getElementById('products_price_block').style.display = "none";


    } else if (selectedType == 4) {		

       if (!edit_product) document.getElementById('products_stock').value = "20"; 
       document.getElementById('products_delivery_weight_block').style.display = "none"; 
       if (!edit_product) document.getElementById('products_price').value = "0.00"; 
       document.getElementById('products_price_block').style.display = "block";

    }

}
//###################################################################
//VALIDATE REQUIRED FORM FIELDS
//###################################################################
function js_validateForm(form) {

    var req=document.getElementById('required' + form);
    var match=document.getElementById('match' + form);

    if (req) {

    	var reqfields=document.getElementById('required' + form).value.split(',');

    }

    if (match) {

       var matchfields=document.getElementById('match' + form).value.split(','); 

    }

    if (reqfields) {

	    for (var i=0;i<reqfields.length;i++) {

		var field_value = document.getElementById(reqfields[i]).value;
		var field_id = document.getElementById(reqfields[i]);         

		if (field_id.style.backgroundColor = "#f8caca") field_id.style.backgroundColor = "white";

		if (field_value = null || field_value == '') {
		  
		   field_id.style.backgroundColor = "#f8caca";

		   var form_error = true;

		}

	     }

     }

    var termsok_checkbox = document.getElementById("termsok");
    var termsok_span = document.getElementById("termsokspan");

    if (termsok_checkbox) {

       termsok_span.style.backgroundColor = "white";

       if (!termsok_checkbox.checked) {

          termsok_span.style.backgroundColor = "f8caca";
          var form_error = true;

       }

    }

    if (!form_error) {

     if (matchfields) {

       for (var i=0;i<matchfields.length;i++) {

           var field_value = document.getElementById(matchfields[i]).value;
           var confirm_field_value = document.getElementById(matchfields[i] + "_confirm").value;
           var field_id = document.getElementById(matchfields[i]);         
           var confirm_field_id = document.getElementById(matchfields[i] + "_confirm");         

           if (field_id.style.backgroundColor = "yellow") field_id.style.backgroundColor = "white";
           if (confirm_field_id.style.backgroundColor = "yellow") confirm_field_id.style.backgroundColor = "white";

           if (!confirm_error) {

              if (field_value != confirm_field_value) {

                 field_id.style.backgroundColor = "yellow";
                 confirm_field_id.style.backgroundColor = "yellow";

                 var confirm_error = true;
        
              }

           }

        }

       }

     }

//GET SCROLL POINT AND ADD TO FORM
if (navigator.appName == "Microsoft Internet Explorer") {
	var scrollp = document.body.scrollTop;
} else {
	var scrollp = window.pageYOffset;
}

var postItem = document.createElement("INPUT");
postItem.type = 'hidden';
postItem.name = 'scroll_point';
postItem.value = scrollp;

var theForm = document.getElementById(form);
theForm.appendChild(postItem);

if (form_error) {

   window.alert("Required information is missing");
   return 1;

} else if (confirm_error) {

   window.alert("The highlighted values must match");

} else {

   //RUN PROGRESS BAR FOR FILE UPLOADS
   var progress = document.getElementById('progress_bar');
   if (progress) progress.style.display = 'block';

   document.getElementById(form).submit();

}
  
}
//###################################################################
//ALERT TO VENDOR WHEN ADMIN ACTION TAKEN
//###################################################################
function vendor_alert(type,text) {

i = document.getElementById("vendor_alert");
x = document.getElementById("vendor_alert_ok");
y = document.getElementById("vendor_alert_error");
z = document.getElementById("vendor_alert_none");

if (x) i.removeChild(x);
if (y) i.removeChild(y);
if (z) i.removeChild(z);

var alert_div = document.createElement("DIV");
alert_div.id = type;
var alert_text = document.createTextNode(text);
alert_div.appendChild(alert_text);
i.appendChild(alert_div);

}