function fntxtsize(txtsize)
{
	document.getElementById("maintable").className = txtsize
}
function fngoto(page)
{
	document.location.href = page
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}
function isEmailAddress(WsCheck)
{
	var i, c;
	var at = dot = 0;
	var str = WsCheck;
	var sl  = str.length;
	var dx_at = dx_dot = -1;

	for (i = 0; i < sl; i++)
	{
		c = str.charAt(i);
		if (c == "@") {++at;  dx_at=i; }
		else if (c == ".") {++dot; dx_dot=i;}
		else if (c == " ")
		return false;
	}
	if ((sl < 8) || (dx_dot < 1) || (at != 1)
	|| (dx_at < 1) || (dx_dot-1 <= dx_at)
	|| (sl-3 < dx_dot))
	return false;
	else
	return true;
}
function getQueryVariable(variable)
{
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++)
	{
		var pair = vars[i].split("=");
		if (pair[0] == variable)
		{
			return pair[1];
		}
	}
}