var j=1;
var i=1;

function mOver (i)
	{
		var over = document.getElementById ("td_"+i);
		over.style.backgroundColor = "#d9d9d9";
		over.style.fontWeight = 'bold';
	}
	
function mOut (i)
	{
		var over1 = document.getElementById ("td_"+i);
		over1.style.background = "none";
	}
	
function count ()
	{	
		while (document.getElementById ("tb"+i)!=null) {i++;}
	}
	
function scroll_thumbpanel_right()
	{
		if ((j+4) != i)
		{
			if (j<1) {
				j=1;
			}
			var imga = document.getElementById ("tb"+j);
			imga.style.display = "none";
			j++;
		}
	}
	
function scroll_thumbpanel_left()
	{
		j--;
		var imgaa = document.getElementById ("tb"+j);
		imgaa.style.display = "block";
	}
	
function canhge(x)
	{
		var obj = document.getElementById('img'+x);
		var objSrc = obj.src;
		var objSrcBig = str_replace('_th', '', objSrc);
		document.getElementById('tb').src=objSrcBig;
	}
	
function str_replace(search, replace, subject) 
	{
		return subject.split(search).join(replace);
	}
	
function select (x)
	{
		var ind = 1;
		while ( ind < i) 
		{
			document.getElementById('img'+ind).style.border = "1px solid #ffffff";
			ind++;
		}
		var obj = document.getElementById('img'+x);
		obj.style.border = "1px solid blue";
	}

function alt_n (alt_name)	
{
	var pic_title = document.getElementById('pic_alt');
	pic_title.innerHTML = alt_name;
}