function menu_a(id){
	document.getElementById("menuimg_"+id).style.display = 'none';
	document.getElementById("menuimg_"+id+"_a").style.display = 'block';
}
function menu_da(id){
	document.getElementById("menuimg_"+id).style.display = 'block';
	document.getElementById("menuimg_"+id+"_a").style.display = 'none';
}

function nav_site_layer(){
	if (document.getElementById("nav_site_layer").style.display=="block"){
		document.getElementById("nav_site_layer").style.display = 'none';
		document.getElementById("nav_site_layer_cont").style.display = 'none';
	}else{
		document.getElementById("nav_site_layer").style.display = 'block';
		document.getElementById("nav_site_layer_cont").style.display = 'block';
	}
}
function nav_site_layer_hide(){
	document.getElementById("nav_site_layer").style.display = 'none';
	document.getElementById("nav_site_layer_cont").style.display = 'none';
}

function fixPNG(element)
{
	if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
	{
		var src;
		
		if (element.tagName=='IMG')
		{
			if (/\.png$/.test(element.src))
			{
				src = element.src;
				element.src = "/bitrix/templates/reso/images/spacer.gif";
				//element.src = "images/spacer.gif";
			}
		}
		else
		{
			src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i)
			if (src)
			{
				src = src[1];
				element.runtimeStyle.backgroundImage="none";
			}
		}
		
		if (src) element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
	}
}