var	Active = "";
var SiteActive = "";
var	Path = "/russisch/grafik/buttons/bttn_";
var Extension = ".gif";

function preloadNav(imgnames, active) {
	Active = active;
	SiteActive = active;
	var	img = Array(2*imgnames.length);
	if (document.images)
	{
		if( imgnames[0] != "" )
		{
			for( i=0; i<imgnames.length; i++ )
			{
				img[i*2] = new Image(); img[i*2].src = Path + imgnames[i] + "_off.gif";
				img[i] = new Image();	img[i].src = Path + imgnames[i] + ".gif";
			}
		}
	}
}

function imgOn(imgName) {
	if (document.images)
	{
		if( imgName != Active && Active != "" )
		{
			if( document[Active+"1"] )
				document[Active+"1"].src=Path + Active + "1_off" + Extension;
			document[Active].src=Path + Active + "_off" + Extension;
		}
		if( imgName != "" )
		{
			if( document[imgName+"1"] )
				document[imgName+"1"].src=Path + imgName + "1" + Extension;
			document[imgName].src=Path + imgName + Extension;
		}
		Active = imgName;
	}
}

function imgOff(imgName)
{
	if( document.images )
	{
		if( imgName != SiteActive )
		{
			if( document[imgName+"1"] )
				document[imgName+"1"].src=Path + imgName + "1_off" + Extension;
			document[imgName].src=Path + imgName + "_off" + Extension;
		}
		Active = SiteActive;
		setTimeout( "imgOn(Active)", 300 );
	}
}