function LaunchPresentation(url, bResize)
{
	var nWidth = screen.availWidth;
	var nHeight = screen.availHeight;
	if (nWidth > 980) { 
		nWidth = 990;
		nHeight = 620;
	} else { 
		nWidth = 780;
		nHeight = 580;	
	} 
	var strOptions = "width=" + nWidth +",height=" + nHeight;
	strOptions += ",resizable=yes"
	strOptions += ", status=1, toolbar=0, location=0, menubar=0, scrollbars=0";

	window.open(url, "_blank", strOptions);
}
function LaunchPresentation2(url, w, h)
{
	var nWidth = w;
	var nHeight = h;
	var strOptions = "width=" + nWidth +",height=" + nHeight;
	strOptions += ",resizable=yes"
	strOptions += ", status=1, toolbar=0, location=0, menubar=0, scrollbars=0";

	window.open(url, "_blank", strOptions);
}