function search(action) {
		var sInput = document.getElementById('sInput');
		var sSubmit = document.getElementById('sSubmit');
		var sSubmitI = document.getElementById('sfSubmitI');
		if (action == 'over') {
			if (sInput.value == 'поиск')
				sInput.value='';
		}
		if (action == 'out') {
			if (sInput.value.length == 0) {
				sInput.value='поиск';
				sSubmit.style.display='none';
				sSubmitI.style.display='block';
			}
		}
		if (action == 'refresh') {
			if (sInput.value.length == 0 || sInput.value == 'поиск') {
				sSubmit.style.display='none';
				sSubmitI.style.display='block';
			} else {
				sSubmit.style.display='block';
				sSubmitI.style.display='none';
			}
		}
	}



	function checkField(action, elem, deftext) {
		if (action == 'over')
			if (document.getElementById(elem).value == deftext) {
				document.getElementById(elem).value = '';
				document.getElementById(elem).style.color = "#000";
			}
		if (action == 'out')
			if (document.getElementById(elem).value.length == 0) {
				document.getElementById(elem).value = deftext;
				document.getElementById(elem).style.color = "#999";
			}
	}





	function selectInput(element, action) {
		if (action == 'on') {
			document.getElementById(element).className = "inputDact";
		}
		if (action == 'off')
			document.getElementById(element).className = "inputD";
	}



	function validate(email) {
	   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	   return reg.test(email);
	}



/* pushInbox */

   var http_request = false;
   function makeRequest(url) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = alertContents;
      http_request.open('GET', url, true);
      http_request.send(null);
   }

   function alertContents() {
  	  document.getElementById('pushInbox').innerHTML = '<p>Сообщение в процессе отправки...</p>';
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            result = http_request.responseText;
            document.getElementById('pushInbox').innerHTML = result;            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function sendPushMessage() {
      if (document.getElementById('pushme_email').value == "Ваш e-mail" || document.getElementById('push_message').value == "Сообщение")
          alert("Заполните, пожалуйста, форму")
      else {
      	  if (validate(document.getElementById('pushme_email').value)) {
		      makeRequest('pushme.php?email=' + document.getElementById("pushme_email").value + "&message=" + document.getElementById("push_message").value);
		  } else
		      alert("Введён некорректный e-mail");
	  }
   }