function showPreview (value)
{
 ucb_array  = ucb_previews[value];
 ucbImage = document.getElementById('preview_image');

 ucbImage.src = 'ucb_images/' + ucb_array[2] + '/' + ucb_array[1] + '/' + ucb_array[0];
}

function DeleteImage (fileid)
{
	document.vbform.fileid.value = fileid;
	document.vbform.action.value = 'delimage';
	document.vbform.submit ();
}

function showEdit ()
{
	if (!edt)
	{
		edt = 1;
		if (infotab) document.getElementById('ucblink' + infotab).style.display = 'none';
		if (edittab)
		{
			document.getElementById('ucblink' + edittab).style.display = 'block';
			load_tabs ('1', edittab);
		}
		if (maxbtn >= 1)
		{
			for (var x = 1; x < (maxbtn + 1); x++)
			{
				document.getElementById('imgbtn' + x).style.display = 'block';
			}
		}

	}
	else
	{
		edt = 0;
		if (infotab) document.getElementById('ucblink' + infotab).style.display = 'block';
		if (edittab)
		{
			document.getElementById('ucblink' + edittab).style.display = 'none';
			if (infotab)
			{
				load_tabs ('1', infotab);
			}
			else
			{
				load_tabs ('1', 1);
			}
		}
		if (maxbtn >= 1)
		{
			for (var x = 1; x < (maxbtn + 1); x++)
			{
				document.getElementById('imgbtn' + x).style.display = 'none';
			}
		}

	}
}

function ShowButton (value)
{
	if (value >= 1 && sb == 0)
	{
		sb = 1;
		document.getElementById('selectbutton').style.display = 'block';
		document.getElementById('ucbpreview').style.display = 'block';
	}
	else if (value <= 0)
	{
		sb = 0;
		document.getElementById('selectbutton').style.display = 'none';
		document.getElementById('ucbpreview').style.display = 'none';
	}
	showPreview(value);
}

function ShowButton2 (value)
{
	if (value >= 1 && sb2 == 0)
	{
		sb2 = 1;
		document.getElementById('showb').disabled = false;
	}
	else if (value <= 0)
	{
		sb2 = 0;
		document.getElementById('showb').disabled = true;
	}
}

function ShowPage()
{
	document.vbform.step.value = 0;
	document.vbform.action.value = '';
	document.vbform.submit ();
}

function CoverSelect (value)
{
	document.vbform.formselect.value = 1;
	document.vbform.submit ();
}

function FormSelector (value)
{
	document.vbform.step.value = 0;
	document.vbform.upload.value = 'no';
	document.vbform.action.value = 'upload';
	document.vbform.submit ();
}

function CheckForm ()
{
	var FormOk = 1;
	for (var i = 0; i < checkFields.length; i++)
	{
		var field = checkFields[i];
		if (document.getElementById(field).value == '' || document.getElementById(field).value == -1)
		{
			document.getElementById(field).style.backgroundColor = "#FFFFCC";
			document.getElementById(field).focus();
			FormOk = 0;
			break;
		}
	}
	if (FormOk == 0) return false;
}

function click_ucb_cover (id)
{
	document.ucbshowform.titlelist.value = id;
	document.ucbshowform.submit ();
}