window.onload = function() {

var spas = document.getElementsByTagName("tr");
var find = document.getElementById("find");
var fio; 

for (var j = 0; j < spas.length; j++) {
   //if (spas[j].className == "spa") {
       spas[j].style.display = "none";
   //}
}


find.onclick = function() {

if (isIE()) fio = document.getElementById("f").getAttribute("value");
else fio = document.getElementById("f").value;
alert(fio);
var spas = document.getElementsByTagName("tr");

for (var j = 0; j < spas.length; j++) {
  // if (spas[j].className == "spa") {
  //var td;
  //for (var k=0; (td = spas[j].getElementsByTagName("td").item(k)); k++) {
      var td = spas[j].getElementsByTagName("td");
      for (var k = 0; k < td.length; k++) {
         if (td[k].className == "name") {
            if (td[k].firstChild.nodeValue.match(fio)) {
			alert("совпало");
               spas[j].style.display = "block";
            } else {
              spas[j].style.display = "none";
            } 
			if (fio == "") spas[j].style.display = "none";
         }
      }
   //}
}
}

function isIE(){
	var browser=navigator.appName;
	var b_version=navigator.appVersion;
	var version=parseFloat(b_version);
	if (browser == 'Microsoft Internet Explorer'){
		return true;
	}else{
		return false;
	}
}

}