function CheckIE7()
{
	var isIE7 = false;
/*@cc_on
	@if (@_jscript_version >= 5.7)
		isIE7 = true;
	@end
@*/	
	return isIE7;
}

function CheckMac()
{
	var isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
	
	return isMac;
}