// SLI Systems Inc
// $Rev: 945 $
// REQUIRES THAT facet_url be set before loading.
if ( typeof(facet_url)=='undefined' ) {
    alert("SLI Critical Javascript Error, facet_url is not defined.\nFacet functions will not work properly\nPlease check the top of your header template");
}
// For HREF status bar rewrites
function st(t) {
    window.status=t.getAttribute('title');
    return true;
}
function nost() {
    window.status="";
}

// sets the focus of the cursor to our search box
function sfocus() {
    if( typeof(document.searchform.w)!='undefined'){
        document.searchform.w.focus();
    }
}

// code to help process text link style facets
function getQueryVariable(variable) {
  var query = facet_url;
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  }
  return '';
}

// code to process text link style facets
function processfacets2(extra_href, facet, value, depth, maxDepth) {
    var href=facet_url+extra_href;
    href=href.replace(/%20/g,' ');
    href=href.replace(/%3a/g,':');
    var newurl = '';

    var reg=new RegExp(facet+':');
    if (reg.test(href)) {
        // replace
        if(value == '') {
            newurl = href.replace(new RegExp(facet+":[^ ^\+^&]* ?"), '');
        } else {
            newurl = href.replace(new RegExp(facet+":[^ ^\+^&]*"), facet+":"+value);
        }

      if (newurl == '') {
         newurl = href;
      }

      if (depth) {
         if (!maxDepth) {
            maxDepth = 10;
         }

         var facetPrefix = facet;
         facetPrefix = facetPrefix.replace(/[\d]*$/,'');
         var startRemoveDepth = depth+1;
         for (var i = startRemoveDepth; i < maxDepth; i++) {
            var reg = facetPrefix + i + ':[^ ^\+^&]* ?';
            var re = new RegExp(reg, 'g');
            newurl = newurl.replace(re,'');
         }
      }
    } else {
        // prepend
        if (getQueryVariable('af') == '') {
            newurl = href.replace(/af=/i,'af='+facet+":"+value);
        } else {
            newurl = href.replace(/af=/i,'af='+facet+":"+value+' ');
        }
    }
    document.location = newurl;
}


// Code needed for Dynamic Facet Breadcrumb Trial

// Remove all facets selected *after* a certain facet.
function removefacets2(extra_href, facet) {
    var href=facet_url+extra_href;
    href=href.replace(/%20/g,' ');
    href=href.replace(/%3a/g,':');
    var newurl = href;
    var reg=new RegExp(/af=([^&]+)/i);
    var m = reg.exec(href);
    if (m!=null) {
        var r2 = new RegExp(facet+':[^&]+');
        var m2 = r2.exec(m[1]);
        if ( m2!=null ) {
            newurl = href.replace(reg,'af='+m2[0]);
        }
    }
    document.location = newurl;
}

// Remove all facets from a URL.
function resetfacets2(extra_href) {
    var href=facet_url+extra_href;
    document.location = href.replace(new RegExp(/af=[^&]+[&]*/),'');
}

function findGift() {
	var brand = document.getElementById("brand").value;
	var cat = document.getElementById("cat").value;
	var price = document.getElementById("price").value;
	document.location = "http://outdoor-gear.tahoemountainsports/search?w=*&af=brand:"+brand+" cat:"+cat+" pb:"+price;
}