function bgn()
	{
		document.images['pimain'].src = 'images/vtrg_0107.jpg';
		document.images['pimain'].src = 'images/vtrg_0106.jpg';
		document.images['pimain'].src = 'images/vtrg_0105.jpg';
		document.images['pimain'].src = 'images/vtrg_0104.jpg';
		document.images['pimain'].src = 'images/vtrg_0103.jpg';
		document.images['pimain'].src = 'images/vtrg_0102.jpg';
		document.images['pimain'].src = 'images/vtrg_0101.jpg';		
	}

function ow(url,name,width,height) 
	{ 
		win = window.open
		(url,name,'width='+width+',height='+height+',location=no,scrollbars=no,resizable=no,left=50,top=50,');
		win.focus();
	}
	
function menu_1(obj)
	{
		if (obj.className == "visible") obj.className = "hidden"
		else obj.className = "visible"
	}
	
function menu_2(clr,clrname)
	{
		clr.style.background = clrname;
	}
	
function pcmn(img,ref)
	{
		document.images[img].src=ref;
	}
	
function mainpic_1(fldr,num) 
	{
		var imgpath = document.images["mainpic-1"].src;
		var imgnum = imgpath.substring(imgpath.length-7,imgpath.length-4);
		document.all['t'+imgnum].className = "num_pic";
		
		document.images["mainpic-1"].src="images/"+fldr+"/"+num+".jpg";
		document.all['t'+num].className = "num_pic_f";
		
	}
	
function mainpic_previous(fldr,nummax) 
	{
		var imgpath = document.images["mainpic-1"].src;
		var imgnum = imgpath.substring(imgpath.length-7,imgpath.length-4);
		document.all['t'+imgnum].className = "num_pic";
		if (imgnum == 101) imgnum = nummax;
		else imgnum--;
		document.images["mainpic-1"].src="images/"+fldr+"/"+imgnum+".jpg";
		document.all['t'+imgnum].className = "num_pic_f";
	}
	
function mainpic_next(fldr,nummax) 
	{
		var imgpath = document.images["mainpic-1"].src;
		var imgnum = imgpath.substring(imgpath.length-7,imgpath.length-4);
		document.all['t'+imgnum].className = "num_pic";
		if (imgnum == nummax) imgnum = 101;
		else imgnum++;
		document.images["mainpic-1"].src="images/"+fldr+"/"+imgnum+".jpg";
		document.all['t'+imgnum].className = "num_pic_f";
	}