// returns the IE version or -1 if this is not IE
function ieVersion()
{

	if(navigator.appName!="Microsoft Internet Explorer") return -1;
	
	var a=navigator.appVersion;
	var n=a.indexOf("MSIE")+5;
	var s=a.substr(n,5);
	s=s.substring(0,s.indexOf(";"));
	return parseFloat(s);

}


// launches a demo window
function showDemoWindow(sURL,bFullScreen)
{
	var w=screen.width*0.9;
	var h=screen.height*0.9;
	var x=screen.width*0.05;
	var y=screen.height*0.025;

	window.open(sURL,"","location=no,menubar=no,resizable=yes,status=no,toolbar=no,scrollbars=yes,left="+x+",top="+y+",width="+w+",height="+h);
}