function closebut(x, y) {
		if(document.img0) document.img0.src='images/folder.gif';
		if(document.img1) document.img1.src='images/folder.gif';
		if(document.img2) document.img2.src='images/folder.gif';
		if(document.img3) document.img3.src='images/folder.gif';
		if(document.img4) document.img4.src='images/folder.gif';
		if(document.img5) document.img5.src='images/folder.gif';
		if(document.img6) document.img6.src='images/folder.gif';
		if(document.img7) document.img7.src='images/folder.gif';
		if(document.img8) document.img8.src='images/folder.gif';
		if(document.img9) document.img9.src='images/folder.gif';
		if(document.img10) document.img10.src='images/folder.gif';
		if(document.all.div0) document.all.div0.style.display='none';
		if(document.all.div1) document.all.div1.style.display='none';
		if(document.all.div2) document.all.div2.style.display='none';
		if(document.all.div3) document.all.div3.style.display='none';
		if(document.all.div4) document.all.div4.style.display='none';
		if(document.all.div5) document.all.div5.style.display='none';
		if(document.all.div6) document.all.div6.style.display='none';
		if(document.all.div7) document.all.div7.style.display='none';
		if(document.all.div8) document.all.div8.style.display='none';
		if(document.all.div9) document.all.div9.style.display='none';
		if(document.all.div10) document.all.div10.style.display='none';
	
		x.style.display='block';
		y.src='images/folder2.gif';
	}
	function t(x, y) {
		if(x.style.display!='none') {
			x.style.display='none';
			y.src='images/folder.gif';
		}
		else
			closebut(x, y);
	}