function ev_search() {
    var value=document.getElementById('search_input').value;
    if(value) {
      var tagbfr=value;
      //usuwanie znacznikow html
      var re= /<\S[^><]*>/g;
      for(i=0;i<10;i++) {
      	tagbfr=tagbfr.replace(re, "");
      }
      value=tagbfr;
      if(value) {
        if (typeof(encodeURIComponent) == 'function') {
        	try {
        		value=encodeURIComponent(value);
        	} catch (e) {
        		value=encodeURI(value);
        	}
        } else {
        	value=escape(value);
        }
        var url='http://www.taniachata.pl/szukaj/'+value;
        if(url) window.location.href=url;
      }
    }
  }