function validateBlog()
{
	err = 0;
	errmsg = '';
	frm = document.frmNewBlog;
	
	if (frm.category.value == '') { errmsg += 'Category is not specified.<br>'; err = 1; }
	if (frm.title.value == '') { errmsg += 'Title is required.<br>'; err = 1; }

	if (err == 1)
	{
		document.getElementById('errShow').innerHTML = errmsg;
		document.getElementById('errShow').style.display = "";
		return false;
	}
	else
	{
		document.getElementById('errShow').style.display = "none";
		return true;
	}
}

function validateUpdateBlog()
{
	err = 0;
	errmsg = '';
	frm = document.frmUpdateBlog;
	
	if (frm.category.value == '') { errmsg += 'Category is not specified.<br>'; err = 1; }
	if (frm.title.value == '') { errmsg += 'Title is required.<br>'; err = 1; }

	if (err == 1)
	{
		document.getElementById('errShow').innerHTML = errmsg;
		document.getElementById('errShow').style.display = "";
		return false;
	}
	else
	{
		document.getElementById('errShow').style.display = "none";
		return true;
	}
}

function checkall(id,total)
{
	frm = document.frmUserMessages;
	for (i = 0; i < total; i++) { document.getElementById(id+i).checked = true; }
	return false;
}

function uncheckall(id,total)
{
	frm = document.frmUserMessages;
	for (i = 0; i < total; i++) { document.getElementById(id+i).checked = false; }
	return false;
}