/* 
	Show the Floating Description for any element.
	
	usage:
	<element
		onmouseover="showFloatDesc( 'your html description here...' );"
		onmousemove="moveFloatDesc( event );"
		onmouseout="hideFloatDesc();">
	
	Your document must contain in the root of body following content:
		<div id="FloatDesc" style="position:absolute;display:none;"></div>
	and specific stylesheet for it.
*/
function showFloatDesc( text )
{
	descDiv = document.getElementById( 'FloatDesc' );
	if ( descDiv )
	{
		descDiv.innerHTML = text;
		descDiv.style.display = 'block';
	}
}

function hideFloatDesc()
{
	descDiv = document.getElementById( 'FloatDesc' );
	if ( descDiv )
		descDiv.style.display = 'none';
}

function moveFloatDesc( ev )
{
	descDiv = document.getElementById( 'FloatDesc' );
	if ( descDiv )
	{
		showPos = getPositionData( descDiv, ev );
		descDiv.style.left = showPos['posX'] + 'px';
		descDiv.style.top = showPos['posY'] + 'px';
	}
}

/*
	Core of the Floating Description
*/
function getPositionData(obj, showEvent)
{
	if ( !showEvent )
		showEvent = window.event;
	
	var pos_X = 0, pos_Y = 0;
	if ( showEvent )
	{
		if ( typeof(showEvent.pageX) == 'number' )
		{
			pos_X = showEvent.pageX;
			pos_Y = showEvent.pageY;
		}
		else if ( typeof(showEvent.clientX) == 'number' )
		{
			pos_X = showEvent.clientX; pos_Y = showEvent.clientY;
			if ( document.body && 
				( document.body.scrollTop || document.body.scrollLeft ) && 
				!( window.opera || window.debug || navigator.vendor == 'KDE' ) )
			{
				pos_X += document.body.scrollLeft;
				pos_Y += document.body.scrollTop;
			}
			else if ( document.documentElement &&
				( document.documentElement.scrollTop ||
				document.documentElement.scrollLeft ) &&
				!( window.opera || window.debug || navigator.vendor == 'KDE' ) )
			{
				pos_X += document.documentElement.scrollLeft;
				pos_Y += document.documentElement.scrollTop;
			}
		}
	}
	
	var scroll_X = 0, scroll_Y = 0;
	if ( document.body &&
		( document.body.scrollTop || document.body.scrollLeft ) &&
		!( window.debug || navigator.vendor == 'KDE' ) )
	{
		scroll_X = document.body.scrollLeft;
		scroll_Y = document.body.scrollTop;
	}
	else if ( document.documentElement &&
		( document.documentElement.scrollTop ||
		document.documentElement.scrollLeft ) &&
		!( window.debug || navigator.vendor == 'KDE' ) )
	{
		scroll_X = document.documentElement.scrollLeft;
		scroll_Y = document.documentElement.scrollTop;
	}
	
	var win_size_X = 0, win_size_Y = 0;
	if (window.innerWidth && window.innerHeight)
	{
		win_size_X = window.innerWidth;
		win_size_Y = window.innerHeight;
	}
	else if ( document.documentElement &&
		document.documentElement.clientWidth &&
		document.documentElement.clientHeight )
	{
		win_size_X = document.documentElement.clientWidth;
		win_size_Y = document.documentElement.clientHeight;
	}
	else if (document.body && document.body.clientWidth && document.body.clientHeight)
	{
		win_size_X = document.body.clientWidth;
		win_size_Y = document.body.clientHeight;
	}
	
	pos_X += 15;
	pos_Y += 20;
	
	if (obj.offsetWidth && obj.offsetHeight)
	{
		if (pos_X - scroll_X + obj.offsetWidth + 5 > win_size_X)
			pos_X -= (obj.offsetWidth + 25);
		if (pos_Y - scroll_Y + obj.offsetHeight + 5 > win_size_Y)
			pos_Y -= (obj.offsetHeight + 20);
	}
	
	var res = new Array;
	res['posX'] = pos_X;
	res['posY'] = pos_Y;
	res['scrollX'] = scroll_X;
	res['scrollY'] = scroll_Y;
	res['winSizeX'] = win_size_X;
	res['winSizeY'] = win_size_Y;
	
	return res;
}

function addBookmark( title, url )
{
	if (title == undefined)
		title = document.title;

	if (url == undefined)
		url = top.location.href;
		
	if (window.sidebar) // firefox
		window.sidebar.addPanel(title, url, '');
	else if(window.opera && window.print) // opera
	{
		var elem = document.createElement('a');
		elem.setAttribute('href',url);
		elem.setAttribute('title',title);
		elem.setAttribute('rel','sidebar');
		elem.click();
	} 
	else if(document.all) // ie
		window.external.AddFavorite(url, title);
	else if (navigator.appName=="Netscape") //Netscape
		alert( 'To bookmark this site press "Ctrl+D".' );
	else
		alert( 'Your browser doesn\'t support this feature' );
}

function changeBigPicTo(newBigImageName, newBigImageHref) {
	var el;
	el = document.getElementById('AdvBigImg');
	el.style.backgroundImage = 'url(' + newBigImageName + ')';
	el = document.getElementById('AdvBigImgFullSize');
	el.href = newBigImageHref;
}

function moveScrollRightAuto( el_id, b ) {
	if (b)
		scrollTimerId = setInterval ("moveScrollRight('"+el_id+"')", 100);
	else
		clearInterval (scrollTimerId);
}

function moveScrollLeftAuto( el_id, b ) {
	if (b)
		scrollTimerId = setInterval ("moveScrollLeft('"+el_id+"')", 100);
	else
		clearInterval (scrollTimerId);
}

function moveScrollRight( el_id ) {
	var step = 5;
	var e = document.getElementById( el_id );
	var left  = e.style.left ? parseInt( e.style.left ) : 0;

	minLeft = e.parentNode.clientWidth - parseInt( e.clientWidth );

	if ( (left-step) > minLeft ) {
		e.style.left = left - step + "px";
	}
	else {
		e.style.left = minLeft + "px";
		moveScrollRightAuto ( el_id, false);
	}
}

function moveScrollLeft( el_id ) {
	var step = 5;
	var e = document.getElementById( el_id );
	var left = parseInt(e.style.left ? e.style.left : 0);

	if (left + step < 0 ) {
		e.style.left = left + step + "px";
	}
	else {
		e.style.left = "0px";
		moveScrollLeftAuto (false);
	}
}

function addEvent( obj, evt, func )
{
	if( !obj || !evt || !func )
		return false;
	
	if( obj.addEventListener )
		obj.addEventListener( evt, func, false );
	else if( obj.attachEvent )
		obj.attachEvent( 'on' + evt, func );
}




function loadDynamicBlock( iBlockID, sUrl ) {
	if( $ == undefined )
		return false;
	
	var $block = $( '#page_block_' + iBlockID );
	
	$( '.boxContent', $block ).html(
		'<div style="text-align: center;"><img src="' + urlIconLoading + '" alt="Loading..." /></div>'
	);
	
	$block.load( sUrl + '&pageBlock=' + iBlockID );
	return true;
}