function changeMenu(id) {
	$(id).style.background = 'url(arabic/images/menu/button_hover.png) no-repeat';
}

function changeMenuBack(id) {
	$(id).style.background = 'url(arabic/images/menu/button_not_selected.png) no-repeat';
	$(id).style.backgroundPosition = 'left';
}

function validateLogin(msg1, msg2, msg3, msg4) {
	$('loginError').update('<span style="color: black; font-size: 12px;">' + msg4 + '</span>');
	
	var username = $('username').value;
	var password = $('password').value;
	if ( trim(username) == '' ) {
		$('loginError').update(msg1);
		appearDiv('loginError');
	}
	else {
		if ( trim(password) == '' ) {
			$('loginError').update(msg2);
			appearDiv('loginError');
		}
		else {
			new Ajax.Request('arabic/ajax_login.php',
				{
					method: 'post',
					parameters: { usernameField: username, passwordField: password, keep_me: $('keep_me').checked },
					onSuccess: function(transport)
						{
							var response = transport.responseText;
							
							if ( response == '1' ) {
								$('loginError').update('');
								
								window.location = 'arabic/MyAccount';
							}
							else {
								$('loginError').update(msg3);
								appearDiv('loginError');
							}
						},
					onFailure: function(){ alert('Something went wrong...'); }
				});
		}
	}
}

function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function appearDiv(div) {
	Effect.Appear(div);
}

function fadeDiv(div) {
	Effect.Fade(div);
}

function open_whyjoin_popup() {
	window.open("arabic/popup_why_join_us.php", "mywindow", "height=400,width=400");
}

function open_tos_popup() {
	window.open("arabic/popup_tos.php", "mywindow", "height=400,width=400");
}

function loadImageProperty(imageLink) {
	//alert(imageLink);
	$('mainPropertyImage').src = 'user_properties/big/' + imageLink;
}

function searchBusiness(linkIt) {
	window.location = linkIt + 'arabic//Businesses,' + '1,' + $('title').value + ',' + $('address').value + ',' + $('website').value + ',' + $('phone').value + ',' + $('email').value + ',' + $('gen_info').value + ',search';
}