function setScreenClass(){
		var fmt = document.documentElement.clientWidth;
		var hgt = document.documentElement.clientHeight;
		var cls = (fmt<=240)?'pda_ver':(fmt>240&&fmt<=320)?'pda_hor':(fmt>320&&fmt<=640)?'screen_ultralow':(fmt>640&&fmt<=800)?'screen_low':(fmt>800&&fmt<=1024)?'screen_med':(fmt>1024&&fmt<=1280)?'screen_high':'screen_wide';
		document.getElementById('count').innerHTML=fmt+'px -> '+cls;
		document.body.className=cls;		
	};
window.onload = setScreenClass;
window.onresize = setScreenClass;