브라우져버젼별js버젼

// *** JAVASCRIPT VERSION CHECK ***
var is_js;
if (is_nav2 || is_ie3) is_js = 1.0;
else if (is_nav3) is_js = 1.1;
else if (is_opera5up) is_js = 1.3;
else if (is_opera) is_js = 1.1;
else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2; else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3;
else if (is_hotjava3up) is_js = 1.4;
else if (is_nav6 || is_gecko) is_js = 1.5;
// NOTE: In the future, update this code when newer versions of JS
// are released. For now, we try to provide some upward compatibility
// so that future versions of Nav and IE will show they are at
// *least* JS 1.x capable. Always check for JS version compatibility
// with > or >=.
else if (is_nav6up) is_js = 1.5;
// NOTE: ie5up on mac is 1.4
else if (is_ie5up) is_js = 1.3