function mandaSearch(divId,formId){
	var q = document.getElementById("txt_query").value;
	q = trim(q);
	q= escape(q);
	if(q != ""){
		var search_str = document.getElementById(formId).value+"?"+"q="+q+
		"&site="+document.getElementById("site_p").value+
		"&client="+document.getElementById("client_p").value+
		"&proxystylesheet="+document.getElementById("proxy_p").value+
		"&proxyreload="+document.getElementById("proxyr_p").value+
		"&output="+document.getElementById("out_p").value+
		"&access="+document.getElementById("access_p").value+
		"&getfields="+document.getElementById("getfields_p").value+
		"&hl="+document.getElementById("hl_p").value+
		"&filter="+document.getElementById("filter_p").value;
		document.getElementById(divId).innerHTML = "";
		document.getElementById(divId).innerHTML = '<iframe frameborder="0" width="100%" height="1250px" src="'+search_str+'"></iframe>';
	}
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function imagenGoogle(cambia){
	if(cambia == 0){
		document.getElementById("txt_query").style.background = '#FFFFFF url(./imgs/google_buscar_trife.gif) left no-repeat';
	}else{
		 document.getElementById("txt_query").style.background = '#ffffff';
	}
}

function avanzada(divId,url){
	document.getElementById(divId).innerHTML = '<iframe frameborder="0" width="100%" height="1250px" src="'+url+'"></iframe>';	
}