dom = (document.getElementById) ? (true) : (false);
ie = (document.all) ? (true) : (false);
ie4 = ie && !dom;
nn4 =(document.layers) ? (true) : (false);

function changeMap(elemId)
{
	var elem, sh;
	if(dom || ie4)
    {
        elem = (dom)?(document.getElementById(elemId)):(document.all[elemId]);
        sh	 = (dom)?(document.getElementById("a-"+elemId)):(document.all["a-"+elemId]);
		//hr	 = (dom)?(document.getElementById("hr-"+elemId)):(document.all["hr-"+elemId]);
		
        if(elem)
            if(elem.style.display == "block" || elem.style.display == "")
            {
            	elem.style.display = "none";
            	//hr.style.display   = "none";
            	sh.className = "";	
            }
            else
            {
            	elem.style.display = "";
            	//hr.style.display   = "";
            	sh.className = "gray";	
            }
	}
}

function ChangeImg(img, alt, big)
{
    if(dom) 	 image = document.getElementById(big);
	else if(ie4) image = document.all[big];
	else if(nn4) image = document.layers[big];
    image.src = "/files/Image/Gallery/"+img;
    image.alt = alt;
}