// JavaScript Document

var json_company_list = [

{"name":"Communisis Plc","url":"communisis", "epic": "(CMS)"},

{"name":"Daisy Group plc","url":"daisy-group-plc", "epic": "(DAY)"},

{"name":"Gresham Computing Plc","url":"gresham-computing-plc", "epic": "(GHT)"},

{"name":"IDOX Plc","url":"idox-plc", "epic": "(IDOX)"},

{"name":"Intelligent Environments Group Plc","url":"intelligent-environments-group-plc", "epic": "(IEN)"},

{"name":"K3 Business Technology Group Plc","url":"k3-business-technology-group-plc", "epic": "(KBT)"},

{"name":"Maxima Holdings Plc","url":"maxima-holdings-plc", "epic": "(MXM)"},

{"name":"Monitise Plc","url":"monitise-plc", "epic": "(MONI)"},

{"name":"Norcon plc","url":"norcon-plc", "epic": "(NCON)"},

{"name":"Parity Group Plc","url":"parity-group-plc", "epic": "(PTY)"},

{"name":"Portrait Software Plc","url":"portrait-software-plc", "epic": "(PST)"},

{"name":"Trafficmaster Plc","url":"trafficmaster-plc", "epic": "(TFC)"},

{"name":"Workplace Systems International","url":"workplace-systems-international", "epic": "(WSI)"},

{"name":"Xploite Plc","url":"xploite-plc", "epic": "(XPT)"}];


window.addEvent('domready',function() {



$('company_search').addEvent('keydown', function(event){

    if(event.key == "down"){

      if($('options').style.display != "none"){
         var options = $('options').getChildren('span');
         if(options.length > 0){

      var selectKey = 0;

         $each(options, function(value, key){
            if(value.className == "option-company-over"){ value.className = "option-company"; selectKey = key+1; }
         });  

        if(selectKey > options.length - 1) selectKey = 0;
        options[selectKey].className = "option-company-over";

        }
      }
    } 
    else if(event.key == "up"){

     if($('options').style.display != "none"){
         var options = $('options').getChildren('span');
         if(options.length > 0){

      var selectKey = 0;

       var rev = new Array();

         for(var i = options.length - 1; i >= 0; i--){
           rev.push(options[i]);
         }

         $each(rev, function(value, key){
            if(value.className == "option-company-over"){ value.className = "option-company"; selectKey = key+1; }
         });  

        if(selectKey > rev.length - 1) selectKey = 0;
        rev[selectKey].className = "option-company-over";
          
        }
      } 
    }

    if(event.key == "enter"){
       var options = $('options').getChildren('span');
         if(options.length > 0){
            
            $each(options, function(value, key){
            if(value.className == "option-company-over"){ $('company_search').value = value.innerHTML; gotoCompany(value.id); }
           });

         }
     }
});


});

function getMatchingCompanies( query ) {
	var response = new Object();
	response.query = query;
	response.results = new Array();
	
	json_company_list.each( function(company){
		if( company.name.toLowerCase().indexOf(query.toLowerCase()) >= 0 ) {
			response.results.push(company);
			}
		});
      if(response.results.length < 1){ response.results.push({"name":"No results found for <strong>"+query+"</strong>", "url":"null"}) }
  return response;
}

function gotoCompany(url){
 if(url == "null") return false;
 else window.location = "/tearsheet/"+url;
}

function matchCheck(input){
  var matches = null;
  if(input.value.length > 1) matches = getMatchingCompanies(input.value);

  if(matches){
			
    if( !$('options') ) {
      $('top_nav').setStyles({'position':'relative'});
      new Element( 'div', {'id': 'options'})
        .inject( $(document).getElement('input#company_search'), 'after' )
	      .setStyles({
		      'top': 16 + 'px',
		      'left': 176 + 'px',
		      'display': 'block',
		      'overflow-x': 'hidden',
		      'position':'absolute'
		  });
    } else $('options').setStyles({'display':'block'});
		
		$('options').empty();
                var index = 0;		

		for(var i = 0; i < matches.results.length; i++){ 
                               var text = "";
                               if(matches.results[i].url == "null") text = matches.results[i].name;
                               else text = matches.results[i].name;
                               index = i;
				new Element('span', {'id':matches.results[i].url, 'class':'option-company', 'html':text,
														 'events': { 
														   'click': function(){ if(this.id != "null"){ $('company_search').value = this.innerHTML; $('options').style.display = "none"; gotoCompany(this.id); } }, 
															 'mouseover':function(){ this.className = 'option-company-over'; },
															 'mouseout':function(){ this.className = 'option-company'; }
														}
										})
				                     .inject($('options'), 'bottom');
		}
		
  } else {
		if($('options')) $('options').setStyles({'display':'none'});
	}
}