function preload() {

image1 = new Image(); image1.src = "images/homehover.jpg";
image2 = new Image(); image2.src = "images/profilehover.jpg";
image3 = new Image(); image3.src = "images/productshover.jpg";
image4 = new Image(); image4.src = "images/newshover.jpg";
image5 = new Image(); image5.src = "images/contact.jpg";
image6 = new Image(); image6.src = "images/storageback.jpg";
image7 = new Image(); image7.src = "images/networkingback.jpg";
image8 = new Image(); image8.src = "images/securityback.jpg";
image9 = new Image(); image9.src = "images/othersback.jpg";
image10 = new Image(); image10.src = "images/storagehover.jpg";
image11 = new Image(); image11.src = "images/networkinghover.jpg";
image12 = new Image(); image12.src = "images/securityhover.jpg";
image13 = new Image(); image13.src = "images/othershover.jpg";
image14 = new Image(); image14.src = "images/storage.jpg";
image15 = new Image(); image15.src = "images/networking.jpg";
image16 = new Image(); image16.src = "images/security.jpg";
image17 = new Image(); image17.src = "images/others.jpg";
image18 = new Image(); image18.src = "images/keresohover.jpg";
image19 = new Image(); image19.src = "images/storhover.jpg";
image20 = new Image(); image20.src = "images/nethover.jpg";
image21 = new Image(); image21.src = "images/sechover.jpg";
image22 = new Image(); image22.src = "images/softhover.jpg";
}

function change(obj) {

	$(obj).src = "images/" + obj + "hover.jpg";
}

function change_back(obj) {
	
	$(obj).src = "images/" + obj + ".jpg";
}

function showHint(obj,old) {
	
	$(old).src = "images/" + old + ".jpg";
	$(obj).src = "images/" + obj + "hover.jpg";
	$('showplace').style.opacity = 0;
	$('showplace').style.filter = 'alpha(opacity=' + 10 + ')';
	$('showplace').innerHTML = "<img src='images/" + obj + "back.jpg'>";
	initFade();
}

function showBack(obj, old) {
	
	$(obj).src = "images/" + obj + "hover.jpg"
	$(old).src = "images/" + old + ".jpg";
	$('showplace').innerHTML = "<img src='images/" + obj + "back.jpg'>";
}

function initFade() {
	
	for (var i=1;i<11;i++) {		
		setTimeout("setOpacity('" + i + "')",50*i);
	}
	return false;
}

function setOpacity(value) {
	
	$("showplace").style.opacity = value/10;
	$("showplace").style.filter = 'alpha(opacity=' + value*10 + ')';
}

function onLoading() {
	
	$('search_td').style.backgroundImage = "url(images/keresohover.jpg)";
}

function onBack() {

	$('search_td').style.backgroundImage = "url(images/kereso.jpg)";
}

function inSearch() {
	
	var azt = $('s_search').value;
	
	if ( azt == '' || azt == ' ' || azt.length < 4)
	{
	return false;
	}
	else
	{
	onLoading();
	window.setTimeout("startSearch()", 1250);
	}
}

function startSearch() {
	
	var azt = $('s_search').value;
	var hely = $("placehorder");
	var url = 'tools/search.php';
	var pars = 'mit='+azt;
	
	var myAjax = new Ajax.Updater( hely, url, { method: 'get', parameters: pars, onComplete: onBack() });
}

function fCheck() {
	
	var f_name = $('f_name').value;
	var l_name = $('l_name').value;
	var company = $('company').value;
	var address = $('address').value;
	var email = $('email').value;
	var phone = $('phone').value;
	var subject = $('subject').value;
	var message = $('message').value;
	
	if (f_name == "")
	{
	alert("Need to write your First Name!");
	return false;
	}
	else if (l_name == "")
	{
	alert("Need to write your Last Name!");
	return false;
	}
	else if (address == "")
	{
	alert("Need to write your Address!");
	return false;
	}
	else if (email == "")
	{
	alert("Need to write your E-mail!");
	return false;
	}
	else if (phone == "")
	{
	alert("Need to write your Phone number!");
	return false;
	}
	else if (subject == "")
	{
	alert("Need to write a subject!");
	return false;
	}
	else if (message == "")
	{
	alert("Need to write your message!");
	return false;
	}
}