var _urlSearch = "search.php";
var _urlModifyHistory = "modify_history.php";
var _urlUpdate = "OSCMercado/mercado/update_prefs.php";
var _urlProduct = "OSCMercado/mercado/notify_event.php";

// creates a search GET action with an arbitrary number of parameters
function performSearch()
{
  
    var url = _urlSearch;

    for (var n = 0; n < (arguments.length - 1); n = n+2)
    {
        if (n < 1)
            url += "?";
        else
            url += "&";

        url += arguments[n] + "=" + encodeURIComponent(arguments[n+1]);
    }

    url = appendHistory(url, false);
   
    window.location.assign(url);
}

// creates a search GET action with an arbitrary number of parameters
function performSearchStatic()
{
    var url = _urlSearch;

    for (var n = 0; n < (arguments.length - 1); n = n+2)
    {
        if (n < 1)
            url += "?";
        else
            url += "&";

        url += arguments[n] + "=" + encodeURIComponent(arguments[n+1]);
    }

    window.location.assign(url);
}

// creates a product GET action with an arbitrary number of parameters
function performProductPage()
{
    var url = _urlProduct;

    for (var n = 0; n < (arguments.length - 1); n = n+2)
    {
        if (n < 1)
            url += "?";
        else
            url += "&";

        url += arguments[n] + "=" + encodeURIComponent(arguments[n+1]);
    }


    url = appendHistory(url, false);

    window.location.assign(url);
}


function openDocument(url,ignore)
{
    window.open(url,"name");
}

function changePrefs(param, value)
{
    var url = _urlUpdate;

    url += "?param=" + param + "&paramValue=" + value;

    url += "&redir=" + encodeURIComponent(document.location.href);

    window.location.assign(url);
}

function changePrefsAndGo(param, value, url)
{
    var url = _urlUpdate;

    url += "?param=" + param + "&paramValue=" + value;

    url += "&redir=" + encodeURIComponent(url);

    window.location.assign(url);
}

function appendHistory(url, first)
{
    var newURL = url;

    if (!first)
        newURL += "&";

    return newURL + "history=" + encodeURIComponent(getHistory());
}

function performFreeSearch()
{
    var text = document.getElementById('freeText').value;
    if (text == "")
    {
        alert("Please enter your search query");
        return false;
    }

    var refine = false;
    var refineObj = document.getElementById("searchInResults");

    if (refineObj != null) refine = refineObj.checked;

    if (refine)
        performSearch("freeText", text, "refine", "1");
    else
        performSearch("freeText", text);
}

function performAltSearch(text)
{
    performSearch("freeText", text, "refine", "");
}

function performModifyHistory(modifyType, uid)
{
    var url = _urlModifyHistory + "?modifyType="
        + modifyType + "&uid=" + uid;

    url = appendHistory(url, false);

    window.location.assign(url);
}

function performSort(sortField)
{
    performSearch("sort_field", sortField, "refine", "1");
}

function performAttributeSort(sortField)
{
    performSearch("sort_attribute", sortField, "refine", "1");
}




function goToResults()
{
    var url = appendHistory(_urlSearch + "?", true);
    window.location.assign(url);
}

function removeEntry(entry)
{
    performModifyHistory('2', entry);
}

function removeAfter(entry)
{
    performModifyHistory('1', entry);
}



function switchStyle(tableItm, buttonItm, sumItm)
{
    if (tableItm.style.display=="")
    {
        tableItm.style.display="none";
        buttonItm.src="images/arrow_down.gif";
        if (sumItm != null)
            sumItm.style.display="";
    }
    else
    {
        tableItm.style.display="";
        buttonItm.src="images/arrow_up.gif";
        if (sumItm != null)
            sumItm.style.display="none";
    }
}

function showOptions()
{
    var opt = document.getElementById("demoOptions");

    if (opt)
    {
        if (opt.style.display == "")
            {
                opt.style.display = "none";
            }
        else
            {
                opt.style.display = "";
            }
    }
}

function ignore(val)
{
}


 /*
function setAllBrandsTrigger()
{

    if(selectAllBrands.checked==false)
        return;
    var url = _urlSearch;
    url += "?brand_search=All";

    window.location.assign(url);

}

function performParametricSearch()
{
    var url = _urlSearch;
    mark = "?";
    ref_index_non_num = 0;
    ref_index_num = 0;
    for(var i=0;i<3;i++)
    {
        selection = document.all("select_"+i);
        if( selection != null)
        {
            if(2 == selection.options[selection.options.length-1].type)
            {
                val = "";
                min = "";
                max = "";
                for(var j=0;j<selection.options.length;j++)
                {
                    option_obj = selection.options[j];
                    if(option_obj.selected==true)
                    {
                        if(option_obj.value!="NONE")
                        {
                            index =  option_obj.value.lastIndexOf(" ");
                            if( min == "")
                            {

                              min =  option_obj.value.substring(0,index+1);
                            }
                              max =  option_obj.value.substring(index+1,option_obj.value.length);
                        }
                    }
                }
                val = min+max;
                if(!(val==""))
                {
                    str = mark+"refineTypeRange"+ref_index_num+"="+selection.options[selection.options.length-1].type
                              +"&"+"refineRangeName"+ref_index_num+"="+ selection.title
                              +"&"+"refineRangeValue"+ref_index_num+"="+val;

                    ref_index_num++;
                    mark = "&";
                    url+=str;
                }

            }
            else{
                val = "(";
                for(var j=0;j<selection.options.length;j++)
                {
                    option_obj = selection.options[j];
                    if(option_obj.selected==true)
                    {
                        if(option_obj.value!="NONE")
                        {
                            val += "\""+option_obj.value +"\" | ";
                        }
                    }
                }
                if(val.length!=1)
                {

                    index = val.lastIndexOf(" | ");
                    val = val.substring(0,index);
                    //only one value
                    if(val.indexOf("|")==-1)
                    {
                     val = val.replace("(","");
                     val = val.replace("\"","");
                     val = val.replace("\"","");
                    }
                    else{
                        val+=")";
                    }
                    str = mark+"refineType"+ref_index_non_num+"="+selection.options[selection.options.length-1].type
                              +"&"+"sub_attr_name"+ref_index_non_num+"="+ selection.title
                              +"&"+"refineValue"+ref_index_non_num+"="+val;


                    mark = "&";
                    ref_index_non_num++;
                    url+=str;
                }
            }
        }
    }
    url +="&"+"refine=1";
    url = appendHistory(url, false);
    window.location.assign(url);
}
  */
function sendToNotification(pid,qid,page)
{
    window.open("notify_event.jsp?"+pid+"&"+qid+"&prod_page="+encodeURIComponent(page));
}

function openRelatedDocument(url,cmcparameter)
{
     window.open(url);
}

function performCompare()
{
    var url = _urlCompare + "?page=COMPARE&compareIds=";
    var params = encodeURIComponent(buildCompareParams());
    if (params.length > 0) {
        window.location.assign(appendHistory(url + params, false));}
    else
        alert("Please select a product to compare");
}

// creates a search GET action with an arbitrary number of parameters
function performCompareNavigation()
{
    var url = _urlCompare + "?page=COMPARE&compareIds=";
    url += getURLParam("compareIds");

    for (var n = 0; n < (arguments.length - 1); n = n+2)
    {
        url += "&" + arguments[n] + "=" + encodeURIComponent(arguments[n+1]);
    }


    url = appendHistory(url, false);

    window.location.assign(url);
}

function buildCompareParams()
{
    var compares = document.results.compareCheck;
    var params = "";

    if ((compares != null) && (compares.length > 0))
    {
        params = "(";
        for (var n = 0; n < compares.length; n++)
        {
            if (compares[n].checked)
            {
                if (params.length > 1) params += "|";
                params += "'" + compares[n].value + "'";
            }
        }
        params += ")";
    }

    if (params.length <= 2) return "";
    else return params;
}


function selectBuyerSegmentDef()
{

    bs_defs_table  = document.all("bsDefsTable");
    var params = new Array();
    rows = bs_defs_table.childNodes[0].childNodes;
    for(var r=0; r<rows.length; r++)
    {
        row = rows[r];
        att_name = row.all("attName").innerHTML;
        select_obj = row.all("valuesSelect");
        att_val = select_obj.options[select_obj.selectedIndex].innerHTML;
        if( att_val!="None" )
        {
            params[r*2] = att_name;
            params[r*2+1] = att_val;
        }
        else
        {
           params[r*2] = null;
           params[r*2+1] = null;
        }
    }
    performBSSearch(params);
}

function performBSSearch(params)
{
    var url = _urlSearch;
    var index = 0;
    for (var n = 0; n < (params.length); n = n+2)
    {
        if( params[n] != null)
        {
        	var y = n;
            if(n==0)
                url += "?";
            else
                url += "&";

            url += "user_att_name" + index +"="+ encodeURIComponent(params[n]);
            url += "&";
            url += "user_att_value" + index +"="+ encodeURIComponent(params[n+1]);
            index++;
        }
    }
    window.location.assign(url);
}

function getURLParam(strParamName){

  var strReturn = "";
  var strHref = window.location.href;

  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
        if ( aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return strReturn;
}