//inspired by badboy media.design - www.badboy.ro and egoport www.yasuhisa.com

window.onload = setScreenClass; 
window.onresize = setScreenClass;

function setScreenClass(){
	var fmt = document.documentElement.clientWidth;
	var cls = (fmt<=680)?'s_narrow':(fmt>680&&fmt<=850)?'narrow':(fmt>850&&fmt<=1050)?'normal':(fmt>1050&&fmt<=1280)?'wide':'s_wide';
	document.body.className=cls;
};