function ContextualSearch()
{var $this=this;this.create=function()
{this.bindEvent();}
this.bindEvent=function()
{$('.contextualSearchWord').unbind('change');$('div#contextualSearchResult .contextualSearchWord').bind('change',function(){var url=$('div#contextualSearchResult a')[0];var newSearchKeys=[];$('div#contextualSearchResult').find('.contextualSearchWord').each(function(){var _this=$(this);newSearchKeys.push(_this.find(':selected').text());});url.href=$this.updateURLParameter(url.href,'Key',newSearchKeys.join('+'));});}
this.updateURLParameter=function(url,param,paramVal)
{var newAdditionalURL="";var tempArray=url.split("?");var baseURL=tempArray[0];var additionalURL=tempArray[1];var temp="";if(additionalURL){tempArray=additionalURL.split("&");for(var i=0;i<tempArray.length;i++){if(tempArray[i].split('=')[0]!=param){newAdditionalURL+=temp+tempArray[i];temp="&";}}}
var rows_txt=temp+""+param+"="+paramVal;return baseURL+"?"+newAdditionalURL+rows_txt;}}