function valid_login(myform) {
		if (myform.username.value == "") {
			alert("Introduceti username!");
			return false;
		}
		else if (myform.pass.value == "") {
			alert("Introduceti parola!");
			return false;
		}
		else return true;

	}

function change_lang_image(event){
  elem = (event.target) ? event.target : ((event.srcElement) ? event.srcElement : null);
  value = elem.value;
  document.getElementById('lang_img').src = "mediaimg/language/" + value + "_flag.gif";
  document.getElementById('set_lang').value = value;
}

function change_img(myimg, path) {
	var img = document.getElementById(myimg);
	img.src = 'mediaimg/'+path+myimg+'_over.gif';
	var div1 = document.getElementById('personal_hidden');
	var div2 = document.getElementById('recrutare_hidden');
	if (div1 != null && myimg=='personal') div1.style.display = 'block';
	else if (div2 != null && myimg=='recrutare') div2.style.display = 'block';
	else if (div1 != null && div2 != null){
		div1.style.display = 'none';
		div2.style.display = 'none';
	}

}
function changeback_img(myimg, path) {
	var img = document.getElementById(myimg);
	img.src = 'mediaimg/'+path+myimg+'_normal.gif';
	var div1 = document.getElementById('personal_hidden');
	var div2 = document.getElementById('recrutare_hidden');
	if (div1 != null && myimg=='personal') div1.style.display = 'none';
	else if (div2 != null && myimg=='recrutare') div2.style.display = 'none';
	else if (div1 != null && div2 != null){
		div1.style.display = 'none';
		div2.style.display = 'none';
	}

}
function show_img(myimg) {
	var img = document.getElementById(myimg);
	img.src = 'mediaimg/'+myimg+'_over.gif';
}
function hide_all(myimg) {
	var img = document.getElementById(myimg);
	img.src = 'mediaimg/'+myimg+'_normal.gif';
	var div = document.getElementById(myimg+'_hidden');
		div.style.display = 'none';
}

function trimSpaces( stringText ){
  return stringText.split(' ').join('');
}

function updateLang(lang) {
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null) {
	  alert ("Browser does not support HTTP Request");
	  return;
	} 
	var url="lang_req.php";
	url=url+"?lang=" + lang;
	url=url+"&sid=" + Math.random();
	
	xmlHttp.onreadystatechange=function() {
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 	
			document.getElementById('ro').style.color = '#6B7D88';
			document.getElementById('en').style.color = '#6B7D88';
			document.getElementById('it').style.color = '#6B7D88';

			idhref = document.getElementById(lang);
			idhref.style.color = '#C6600D';	
		}
	};
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);

	setTimeout('window.location.reload()', 150);
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
  }
	catch (e) {
		// Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)	{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function check_sadmin() {
	err = '';
	if ($('del_candidati').checked)
		err += 'Atentie! Ati selectat sa stergeti toti candidatii!\n';
	if ($('del_angajati').checked)
		err += 'Atentie! Ati selectat sa stergeti toti angajatii!\n';
	if ($('del_studenti').checked)
		err += 'Atentie! Ati selectat sa stergeti toti studentii!\n';		
	if ($('del_firme').checked)
		err += 'Atentie! Ati selectat sa stergeti toate firmele!\n';		
	if ($('del_grupuri').checked)
		err += 'Atentie! Ati selectat sa stergeti toate grupurile de newsletter!\n';				
	if ($('del_istoric').checked)
		err += 'Atentie! Ati selectat sa stergeti toate datele din istoric!\n';		
	
	if (err != '') {
		err += '\nSunteti siguri ca doriti sa continuati?';
		confirm(err);
	}
}