take searchQueryParam from config options for read/update of browser url, default will be q

Author: Praveen

unbxdSearch.js

@@ -477,6 +477,7 @@ var unbxdSearchInit = function(jQuery, Handlebars){
         '</li>',
         '{{/options}}'
       ].join('')
+      ,searchQueryParam:"q"
     };
 
     jQuery.extend(Unbxd.setSearch.prototype,{
@@ -1045,7 +1046,7 @@ var unbxdSearchInit = function(jQuery, Handlebars){
 	  var nonhistoryPath = "";
 
 	  if(this.options.type == "search" && this.params['query'] != undefined){
-	    url += '&q=' + encodeURIComponent(this.params.query);
+      url += '&'+ this.options.searchQueryParam +'='+ encodeURIComponent(this.params.query);
 	  }else if(this.options.type == "browse" && this.params['categoryId'] != undefined){
 	    url += '&category-id=' + encodeURIComponent(this.params.categoryId);
 	  }
@@ -1189,7 +1190,7 @@ var unbxdSearchInit = function(jQuery, Handlebars){
 	  }
 
 	  this.ajaxCall = jQuery.ajax({
-	    url: urlobj.url
+	    url: urlobj.url.replace(this.options.searchQueryParam+"=", "q=")
 	    ,dataType: "jsonp"
 	    ,jsonp: 'json.wrf'
 	    ,success: cb.bind(self)
@@ -1300,8 +1301,8 @@ var unbxdSearchInit = function(jQuery, Handlebars){
 	    params.extra.rows = this.options.pageSize;
 
 	    //lets get query
-	    if("q" in obj)
-		params.query = obj.q;
+	    if(this.options.searchQueryParam in obj)
+		params.query = obj[this.options.searchQueryParam];
 
 	    //lets get category-id
 	    if("category-id" in obj)
@@ -1356,7 +1357,7 @@ var unbxdSearchInit = function(jQuery, Handlebars){
 
 	    }else{
 
-	      this.params.query = obj.searchMetaData.queryParams.q;   //obj.didYouMean[0].suggestion;
+	      this.params.query = obj.searchMetaData.queryParams[this.options.searchQueryParam];   //obj.didYouMean[0].suggestion;
 
 	      if(!this.compiledSpellCheckTemp)
 		this.compiledSpellCheckTemp = Handlebars.compile(this.options.spellCheckTemp);
@@ -1412,7 +1413,7 @@ var unbxdSearchInit = function(jQuery, Handlebars){
 	  this.totalPages = Math.ceil(obj.response.numberOfProducts/this.getPageSize());
 
 	  jQuery(this.options.searchQueryDisplay).html(this.compiledSearchQueryTemp({
-	    query : obj.searchMetaData.queryParams.q
+	    query : obj.searchMetaData.queryParams[this.options.searchQueryParam]
 	    ,numberOfProducts : obj.response.numberOfProducts
 	    ,start: this.productStartIdx
 	    ,end: this.productEndIdx