function opac(img, m, o){
	clearTimeout(img.t);
	o=img.style.opacity=+(o=img.style.opacity)+.15*m;
	img.style.filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=" + (o * 100) + ")";
	o>0&&o<1?img.t=setTimeout(function(){opac(img,m)},50):0;
}

var on=window.onload||Function;
onload=function(){
	on();
	for(var i=0,d,el,img; d=document.getElementsByTagName('div')[i++];){
		if(d.className=='change'){
			d.className='change_s';
			
			el=d.getElementsByTagName('img');
			img=el[el.length-1];
			
			img.t=0;
			img.style.opacity=1;
			
			d.style.height=img.height+'px';
			
			img.onmouseover=function(){opac(this, -1)}
			img.onmouseout=function(){opac(this, 1)}
		}
	}
}

function of_1() {
	if(document.getElementById("of_1").className=='of_9a') {
		document.getElementById("of_1").className='of_9a1';
	} else if(document.getElementById("of_1").className=='of_9a1') {
		document.getElementById("of_1").className='of_9a';
	} else if(document.getElementById("of_1").className=='of_9b') {
		document.getElementById("of_1").className='of_9b1';
	} else if(document.getElementById("of_1").className=='of_9b1') {
		document.getElementById("of_1").className='of_9b';
	}
}
function of_2() {
	if(document.getElementById("of_2").className=='of_9a') {
		document.getElementById("of_2").className='of_9a1';
	} else if(document.getElementById("of_2").className=='of_9a1') {
		document.getElementById("of_2").className='of_9a';
	} else if(document.getElementById("of_2").className=='of_9b') {
		document.getElementById("of_2").className='of_9b1';
	} else if(document.getElementById("of_2").className=='of_9b1') {
		document.getElementById("of_2").className='of_9b';
	}
}
function of_3() {
	if(document.getElementById("of_3").className=='of_9a') {
		document.getElementById("of_3").className='of_9a1';
	} else if(document.getElementById("of_3").className=='of_9a1') {
		document.getElementById("of_3").className='of_9a';
	} else if(document.getElementById("of_3").className=='of_9b') {
		document.getElementById("of_3").className='of_9b1';
	} else if(document.getElementById("of_3").className=='of_9b1') {
		document.getElementById("of_3").className='of_9b';
	}
}
function of_4() {
	if(document.getElementById("of_4").className=='of_9a') {
		document.getElementById("of_4").className='of_9a1';
	} else if(document.getElementById("of_4").className=='of_9a1') {
		document.getElementById("of_4").className='of_9a';
	} else if(document.getElementById("of_4").className=='of_9b') {
		document.getElementById("of_4").className='of_9b1';
	} else if(document.getElementById("of_4").className=='of_9b1') {
		document.getElementById("of_4").className='of_9b';
	}
}