function mandaSearch(divId,formId){
	var q = document.getElementById("txt_query").value;
	q = trim(q);
	if(q != ""){
		var search_str = document.getElementById(formId).action+"?"+"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+
		"&filter="+document.getElementById("filter_p").value;
		document.getElementById(divId).innerHTML = "";
		document.getElementById(divId).innerHTML = '<iframe frameborder="0" width="95%" height="1024px" src="'+search_str+'"></iframe>';
	}
}

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

function imagenGoogle(){
	q = document.getElementById("txt_query");
	if(trim(q.value) == ""){
		q.style.background = '#FFFFFF url(http://www.promexico.gob.mx/buscador/google_search_watermark.gif) left no-repeat';
	}else{
		 q.style.background = '#ffffff';
	}
}