function sendSearch(f){      
    //formCreator(({"buscar": "site:www.chueca.com " + f.it.value, "origen": "adult"}));	
    
    if(f.it.value.length==0){
		alert("Debes introducir una palabra de búsqueda");        
	}else if (f.buscar[0].checked){
		window.location.href = 'http://busca.ya.com/search?buscar=site:www.chueca.com ' + f.it.value + '&origen=adult';
	}else if (f.buscar[1].checked){
		//window.open('http://buscar.ya.com/fast-cgi/tsc?type=all&PortalLanguage=es&UserLanguage=es&language=&lang=primary&mandant=toi&device=html&iocr=yes&search_type=new&context=all&q='+f.it.value);
		window.location.href = 'http://busca.ya.com/search?buscar=' + f.it.value + '&origen=adult&destino=web';
	} 
    	    
}

var iTimerIdFormFinder = -1;
var oFormFinder;
function formFinder(){
    if (document) {
        if (document.forms) {
        	  var iLength = document.forms.length;
        	  for (var i=0; i<iLength; i++) {
        	  	  if (document.forms[i].name == "f_find") {
        	  	  	  clearInterval(iTimerIdFormFinder);
        	  	  	  oFormFinder = document.forms[i];
        	  	  	  setTimeout(formEventAttacher, 250);
        	  	  	  break;
        	  	  }
        	  }
        }
    }
}
iTimerIdFormFinder = setInterval(formFinder, 1000);

function formEventAttacher() {
	if (oFormFinder.it.addEventListener) {
		oFormFinder.it.addEventListener("keypress", formFinderKeypressHandler, false);
	} else if (oFormFinder.it.attachEvent) {
		oFormFinder.it.attachEvent("onkeypress", formFinderKeypressHandler);
  	} else {
		oFormFinder.it["onkeypress"] = formFinderKeypressHandler;
  	}
}

function formFinderKeypressHandler(ev) {
	var oEvent = (window.event ? window.event : ev);
	var iKeyCode = oEvent.keyCode;
	
	if (iKeyCode == 13 || iKeyCode == 10){
		function sendSearchCaller(){
			sendSearch(oFormFinder);
		};
		setTimeout(sendSearchCaller, 250);
		
		if(window.event){
	 	  	oEvent.returnValue = false;
		}else{
		  	oEvent.preventDefault();
		}	  
	}	
}

function formCreator(params) {
    var oForm = document.createElement("form");
    oForm.action = "http://busca.ya.com/search";
	oForm.target = "searchresults";

    for(var i in params) {
	    var oInput = document.createElement("input");
	    oInput.type = "hidden";
		oInput.name = i;
		oInput.id = i;
	    oInput.value = params[i];
	    oForm.appendChild(oInput);
	}
    document.getElementsByTagName("body")[0].appendChild(oForm);
    oForm.submit();
}